| **Fair Values of Financial Instruments** | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          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| **Fair Value Disclosures [Abstract]**    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               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| Fair Values of Financial Instruments     | FAIR VALUES OF FINANCIAL INSTRUMENTSThe Corporation used fair value measurements to record fair value adjustments, to certain assets, and liabilities and to determine fair value disclosures. The accounting guidance defines fair value, establishes a framework for measuring fair value and expands disclosures about fair value measurements.  ASC 820 applies only when other guidance requires or permits assets or liabilities to be measured at fair value; it does not expand the use of fair value in any new circumstances.As defined in ASC 820, fair value is the price to sell an asset or transfer a liability in an orderly transaction between market participants. It represents an exit price at the measurement date. Market participants are buyers and sellers, who are independent, knowledgeable, and willing and able to transact in the principal (or most advantageous) market for the asset or liability being measured. Current market conditions, including imbalances between supply and demand, are considered in determining fair value. The Corporation values its assets and liabilities in the principal market where it sells the particular asset or transfers the liability with the greatest volume and level of activity. In the absence of a principal market, the valuation is based on the most advantageous market for the asset or liability (i.e., the market where the asset could be sold or the liability transferred at a price that maximizes the amount to be received for the asset or minimizes the amount to be paid to transfer the liability).Valuation inputs refer to the assumptions market participants would use in pricing a given asset or liability. Inputs can be observable or unobservable. Observable inputs are those assumptions which market participants would use in pricing the particular asset or liability. These inputs are based on market data and are obtained from a source independent of the Corporation. Unobservable inputs are assumptions based on the Corporation’s own information or estimate of assumptions used by market participants in pricing the asset or liability. Unobservable inputs are based on the best and most current information available on the measurement date. All inputs, whether observable or unobservable, are ranked in accordance with a prescribed fair value hierarchy which gives the highest ranking to quoted prices (unadjusted) in active markets for identical assets or liabilities (Level 1) and the lowest ranking to unobservable inputs for which there is little or no market activity (Level 3). Fair values for assets or liabilities classified as Level 2 are based on one or a combination of the following factors: (i) quoted prices for similar assets; (ii) observable inputs for the asset or liability, such as interest rates or yield curves; or (iii) inputs derived principally from or corroborated by observable market data. The level in the fair value hierarchy within which the fair value measurement in its entirety falls is determined based on the lowest level input that is significant to the fair value measurement in its entirety. The Corporation considers an input to be significant if it drives 10 percent or more of the total fair value of a particular asset or liability.RECURRING MEASUREMENTSAssets and liabilities are considered to be fair valued on a recurring basis if fair value is measured regularly (i.e., daily, weekly, monthly or quarterly). Recurring valuation occurs at a minimum on the measurement date. Assets and liabilities are considered to be fair valued on a nonrecurring basis if the fair value measurement of the instrument does not necessarily result in a change in the amount recorded on the balance sheet. Generally, nonrecurring valuation is the result of the application of other accounting pronouncements which require assets or liabilities to be assessed for impairment or recorded at the lower of cost or fair value. The fair value of assets or liabilities transferred in or out of Level 3 is measured on the transfer date, with any additional changes in fair value subsequent to the transfer considered to be realized or unrealized gains or losses.Following is a description of the valuation methodologies used for instruments measured at fair value on a recurring basis and recognized in the accompanying balance sheet, as well as the general classification of such instruments pursuant to the valuation hierarchy.Investment SecuritiesWhere quoted, market prices are available in an active market and securities are classified within Level 1 of the valuation hierarchy. There are no securities classified within Level 1 of the hierarchy. If quoted market prices are not available, then fair values are estimated by using pricing models, quoted prices of securities with similar characteristics or discounted cash flows. Level 2 securities include agencies, government-sponsored mortgage backs, state and municipal, equity securities and U.S. Treasuries. In certain cases where Level 1 or Level 2 inputs are not available, securities are classified within Level 3 of the hierarchy and include state and municipal, corporate obligations and equity securities. Level 3 fair value on state and municipal, corporate obligations and equity securities was determined using a discounted cash flow model that incorporated market estimates of interest rates and volatility in markets that have not been active.Third party vendors compile prices from various sources and may apply such techniques as matrix pricing to determine the value of identical or similar investment securities (Level 2). Matrix pricing is a mathematical technique widely used in the banking industry to value investment securities without relying exclusively on quoted prices for specific investment securities but rather relying on the investment securities’ relationship to other benchmark quoted investment securities. Any investment security not valued based upon the methods above are considered Level 3.Corporate ObligationsThe pooled trust preferred securities in the portfolio fall within the scope of ASC 325-10 (formerly EITF 99-20) and include $6.4 million amortized cost, with a fair value of $2.7 million.  The issuers in these securities are primarily banks, but some of the pools do include a limited number of insurance companies. The Corporation uses an other-than-temporary impairment (“OTTI”) evaluation process to compare the present value of expected cash flows to determine whether an adverse change in cash flows has occurred. The OTTI process considers the structure and term of the collateralized debt obligation (“CDO”) and the financial condition of the underlying issuers. Specifically, the process details interest rates, principal balances of note classes and underlying issuers, the timing and amount of interest and principal payments of the underlying issuers, and the allocation of the payments to the note classes.  The current estimate of expected cash flows is based on the most recent trustee reports and any other relevant market information including announcements of interest payment deferrals or defaults of underlying trust preferred securities. Assumptions used in the process include expected future default rates and prepayments as well as recovery assumptions on defaults and deferrals. In addition, the process is used to “stress” each CDO, or make assumptions more severe than expected activity, to determine the degree to which assumptions could deteriorate before the CDO could no longer fully support repayment of the Corporation’s note class. In 2013, securities for which OTTI has been previously taken, had a decrease in unrealized losses of $1.4 million, net of tax, of which all was recorded in other comprehensive income.Interest Rate Derivative AgreementsSee information regarding the Corporation’s interest rate derivative products in Note 13. DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES, in the Notes to Consolidated Financial Statements included as Item 8 of this Annual Report on Form 10-K.The fair value of the interest rate swap and cap instruments were transferred from Level 3 to Level 2 as of March 31, 2012 due to the  availability of additional valuation information.  These instruments are valued using widely accepted valuation techniques including discounted cash flow analysis using observable inputs such as contractual terms and LIBOR-based rate curves.The following table presents the fair value measurements of assets and liabilities recognized in the accompanying balance sheets measured at fair value on a recurring basis and the level within the ASC 820-10 fair value hierarchy in which the fair value measurements fall at December 31, 2013 and 2012.    Fair Value Measurements Using:    Quoted Prices in ActiveMarkets for Identical Assets Significant Other Observable Inputs SignificantUnobservable InputsDecember 31, 2013 Fair Value (Level 1) (Level 2) (Level 3)U.S. Treasury $15,973   $15,973  U.S. Government-sponsored agency securities 3,5453,545State and municipal 230,987223,752$7,235U.S. Government-sponsored mortgage-backed securities 281,252281,252Corporate obligations 2,7382,738Equity securities 1,7061,7024Interest rate swap asset 3,6193,619Interest rate cap 390390Interest rate swap liability 3,9533,953    Fair Value Measurements Using:    Quoted Prices in ActiveMarkets for Identical Assets Significant Other Observable Inputs SignificantUnobservable InputsDecember 31, 2012 Fair Value (Level 1) (Level 2) (Level 3)U.S. Government-sponsored agency securities $4,640 $4,640 State and municipal 158,194 140,094$18,100U.S. Government-sponsored mortgage-backed securities 348,579 348,579 Corporate obligations 224  224Equity securities 1,706 1,7024Interest rate swap asset 6,103 6,103Interest rate cap 197 197Interest rate swap liability 9,766 9,766LEVEL 3 RECONCILIATIONThe following is a reconciliation of the beginning and ending balances of recurring fair value measurements recognized in the accompanying balance sheet using significant unobservable Level 3 inputs for year ended December 31, 2013 and 2012. Year Ended December 31, 2013 Available forSale SecuritiesBeginning Balance$18,328Total realized and unrealized gains and lossesIncluded in net incomeIncluded in other comprehensive income1,330Purchases, issuances, and settlements7,590Transfers in/(out) of Level 3(16,434)Principal payments(837)Ending balance$9,977Year Ended December 31, 2012 Available forSale SecuritiesInterest RateSwap AssetInterestRate CapInterest RateSwap LiabilityBeginning Balance$20,838$5,241$424$7,797Total realized and unrealized gains and losses    Included in net income(860) (863)Included in other comprehensive income(1,141)481(15) Purchases, issuances, and settlements    Transfers in/(out) of Level 3(4,862)(409)(6,934)Principal payments(1,369)   Ending balance$18,328There were no gains or losses for the period included in earnings that were attributable to the changes in unrealized gains or losses related to assets or liabilities held at December 31, 2013 or December 31, 2012.TRANSFERS BETWEEN LEVELS Quoted Prices in ActiveMarkets for Identical Assets Significant Other Observable Inputs SignificantUnobservable Inputs  December 31, 2013(Level 1) (Level 2) (Level 3) Reason for Transfer Transfers to/(from) Level:       Available for sale securities  $(350) $350 Selected state and municipal securities were transferred from Level 2 to Level 3 due to limited availability of similar securities in active marketsAvailable for sale securities transferred to held to maturity    $(16,784) Selected state and municipal securities were transferred from available for sale to held to maturity.  These securities are valued at amortized cost and are no longer classified within the fair value hierarchy. Quoted Prices in ActiveMarkets for Identical Assets Significant Other Observable Inputs SignificantUnobservable Inputs  December 31, 2012(Level 1) (Level 2) (Level 3) Reason for Transfer Transfers to/(from) Level:      The interest rate swap and cap instruments were transferred from Level 3 to Level 2 as of March 31, 2012 due to the availability of additional valuation information.  These instruments are valued using widely accepted valuation techniques including discounted cash flow analysis using observable inputs such as contractual terms and LIBOR-based rate curves.Interest rate swap asset  $4,862 $(4,862) Interest rate cap  $409 $(409) Interest rate swap liability  $6,934 $(6,934) In 2013, approximately $350,000 of selected state and municipal securities were transferred from Level 2 to Level 3 due to limited availability of similar securities in active markets.  Additionally, the Corporation transferred $16,784,000 of selected state and municipal securities from available for sale to held to maturity.  These securities are valued at amortized cost and are no longer classified within the fair value hierarchy.  All securities transferred to held to maturity were previously classified as Level 3 in the fair value hierarchy.NONRECURRING MEASUREMENTSFollowing is a description of valuation methodologies used for instruments measured at fair value on a non-recurring basis and recognized in the accompanying balance sheet, as well as the general classification of such instruments pursuant to the valuation hierarchy for year ended December 31, 2013 and 2012.  Fair Value Measurements Using  Quoted Prices in ActiveMarkets for Identical AssetsSignificant Other Observable InputsSignificantUnobservable InputsDecember 31, 2013Fair Value(Level 1)(Level 2)(Level 3)Impaired Loans (collateral dependent)$12,117  $12,117Other real estate owned $6,877  $6,877  Fair Value Measurements Using  Quoted Prices in ActiveMarkets for Identical AssetsSignificant Other Observable InputsSignificantUnobservable InputsDecember 31, 2012Fair Value(Level 1)(Level 2)(Level 3)Impaired Loans (collateral dependent)$17,703  $17,703Other real estate owned$7,684  $7,684 Impaired Loans (collateral dependent)Loans for which it is probable that the Corporation will not collect all principal and interest due according to contractual terms are measured for impairment.  Allowable methods for determining the amount of impairment include estimating fair value of the collateral for collateral dependent loans.  If the impaired loan is identified as collateral dependent, then the fair value method of measuring the amount of impairment is utilized.  This method requires obtaining a current independent appraisal of the collateral and applying a discount factor to the value.  A portion of the allowance for loan losses is allocated to impaired loans if the value of such loans is deemed to be less than the unpaid balance. If these allocations cause the allowance for loan losses to increase, such increase is reported as a component of the provision for loan losses. Loan losses are charged against the allowance when management believes the uncollectability of the loan is confirmed. During 2013, certain impaired loans were partially charged off or re-evaluated. Impaired loans that are collateral dependent are classified within Level 3 of the fair value hierarchy when impairment is determined using the fair value method.Other Real Estate OwnedThe fair value for impaired loans and other real estate owned is measured based on the value of the collateral securing those loans or real estate and is determined using several methods. The fair value of real estate is generally determined based on appraisals by qualified licensed appraisers. The appraisers typically determine the value of the real estate by utilizing an income or market valuation approach. If an appraisal is not available, the fair value may be determined by using a cash flow analysis. Fair value on other collateral such as business assets is typically ascertained by assessing, either singularly or some combination of,  asset appraisals, accounts receivable aging reports, inventory listings andor customer financial statements.   Both appraised values and values based on borrower’s financial information are discounted as considered appropriate based on age and quality of the information and current market conditions.UNOBSERVABLE (LEVEL 3) INPUTSThe following table presents quantitative information about unobservable inputs used in recurring and nonrecurring Level 3 fair value measurements, other than goodwill, at December 31, 2013 .Fair ValueValuation TechniqueUnobservable InputsRange            (Weighted-Average)State and municipal securities$7,235Discounted cash flowMaturity Call DateUS Muni BQ curveDiscount rate1 month to 15 yearsBBB-1% - 5%Corporate obligations/Equity securities$2,742Discounted cash flowRisk free rateplus Premium for illiquidity3 month LIBORplus 200 bpsImpaired loans (collateral dependent)$12,117Collateral based measurementsDiscount to reflect current market conditions and ultimate collectability0% - 50%                 (3%)Other real estate owned$6,877AppraisalsDiscount to reflect current market conditions0% - 20%                 (2%)The following is a discussion of the sensitivity of significant unobservable inputs on recurring fair value measurements, the interrelationships between those inputs and other unobservable inputs used in recurring fair value measurement and of how those inputs might magnify or mitigate the effect of changes in the unobservable inputs on the fair value measurement.State and Municipal SecuritiesThe significant unobservable inputs used in the fair value measurement of the Corporation's state and municipal securities are premiums for unrated securities and marketability discounts.  Significant increases or decreases in either of those inputs in isolation would result in a significantly lower or higher fair value measurement.  Generally, changes in either of those inputs will not affect the other input.Corporate Obligations/Equity SecuritiesThe significant unobservable inputs used in the fair value measurement of the Corporation's corporate obligations and equity securities are premiums for unrated securities and marketability discounts.  Significant increases or decreased in either of those inputs in isolation would result in a significantly lower or higher fair value measurement.  Generally changes in either of those inputs will not affect the other input.FAIR VALUE OF FINANCIAL INSTRUMENTSThe following table presents estimated fair values of the Corporation's financial instruments and the level within the fair value hierarchy in which the fair value measurements fall at December 31, 2013 and December 31, 2012. 2013 CarryingAmountQuoted Prices in Active Markets for Identical Assets (Level 1)Significant Other Observable Inputs(Level 2)Significant Unobservable Inputs(Level 3)Assets at December 31:   Cash and cash equivalents$109,434$109,434Interest-bearing time deposits55,06955,069Investment securities available for sale536,201$526,224$9,977Investment securities held to maturity559,378525,99834,849Mortgage loans held for sale5,3315,331Loans3,564,5393,506,615FRB and FHLB stock38,99038,990Interest rate swap asset4,0094,009Interest receivable18,67218,672Liabilities at December 31:Deposits$4,231,468$3,082,117$934,937Borrowings:Federal funds purchased125,645125,645Securities sold under repurchase agreements148,672148,852FHLB Advances122,140122,962Subordinated debentures and term loans126,80782,607Interest rate swap liability3,9533,953Interest payable1,7711,771 2012 CarryingAmountQuoted Prices in Active Markets for Identical Assets (Level 1)Significant Other Observable Inputs(Level 2)Significant Unobservable Inputs(Level 3)Assets at December 31:   Cash and cash equivalents$101,460$101,460Interest-bearing time deposits38,44338,443Investment securities available for sale513,343$495,015$18,328Investment securities held to maturity361,020366,59011,584Mortgage loans held for sale22,30022,300Loans2,832,8432,852,614FRB and FHLB stock32,78532,785Interest rate swap asset6,3006,300Interest receivable16,36716,367Liabilities at December 31:Deposits$3,346,383$2,478,706$865,793Borrowings:Federal funds purchased18,86218,862Securities sold under repurchase agreements141,828142,318FHLB Advances94,23897,357Subordinated debentures and term loans112,16162,133Interest rate swap liability9,7669,766Interest payable1,8411,841Cash and cash equivalents:  The fair value of cash and cash equivalents approximates carrying value.Interest-bearing time deposits:  The fair value of interest-bearing time deposits approximates carrying value.Investment securities:  Fair value is based on quoted market prices, if available.  If a quoted market price is not available, fair value is estimated using quoted market prices for similar securities.Mortgage loans held for sale:  The carrying amount approximates fair value due to the short duration between origination and date of sale.Loans:  The fair value for loans is estimated using discounted cash flow analysis, using interest rates currently being offered for loans with similar terms to borrowers of similar credit quality.  See Impaired Loans above.Federal Reserve and Federal Home Loan Bank stock:  The fair value of Federal Reserve Bank and Federal Home Loan Bank stock is based on the price which it may be resold to the Federal Reserve and Federal Home Loan Bank.Derivative instruments:  The fair value of interest rate swaps  reflect the estimated amounts that would have been received to terminate these contracts at the reporting date based upon pricing or valuation models applied to current market information.  Interest rate caps are valued using the market standard methodology of discounting the future expected cash receipts that would occur if variable interest rates rose above the strike rate of the caps.  The projected cash receipts on the caps are based on an expectation of future interest rates derived from observed market interest rate curves and volatilities.Interest receivable and Interest payable:  The fair value of interest receivable/payable approximates carrying value.Deposits:  The fair values of noninterest-bearing and interest-bearing demand accounts and savings deposits are equal to the amount payable on demand at the balance sheet date. The carrying amounts for variable rate, fixed-term certificates of deposit approximate their fair values at the balance sheet date. Fair values for fixed-rate certificates of deposit and other time deposits are estimated using a discounted cash flow calculation that applies interest rates currently being offered to a schedule of aggregated expected monthly maturities on such time deposits.Borrowings:  The fair value of borrowings is estimated using a discounted cash flow calculation, based on current rates for similar debt. |

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| - Definition
The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.
+ References
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