| **Quarterly Results of Operations (Unaudited)**           | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
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| **Quarterly Financial Information Disclosure [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| Quarterly Results of Operations (Unaudited)               | QUARTERLY RESULTS OF OPERATIONS (UNAUDITED)The following table sets forth certain quarterly results for the years ended December 31, 2013 and 2012: 20132012FirstSecondThirdFourthFirstSecondThirdFourthInterest income$43,738$40,653$40,736$45,707$43,469$44,169$45,347$42,964Interest expense4,2804,0033,7144,5727,3536,1165,4454,699Net interest income39,45836,65037,02241,13536,11638,05339,90238,265Provision for loan losses2,1021,9971,5331,0164,8754,5454,6094,505Net interest income after provision for loan losses37,35634,65335,48940,11931,24133,50835,29333,760Non-interest income13,87714,05911,80015,07322,65813,16514,27314,206Non-interest expense34,70033,74234,21940,55834,02834,18034,40434,503Income before income tax expense16,53314,97013,07014,63419,87112,49315,16213,463Income tax expense4,6684,1552,6673,1875,5003,2883,9263,153Net income11,86510,81510,40311,44714,3719,20511,23610,310Preferred stock dividends(857)(852)(430)(241)(1,135)(1,135)(1,134)(1,135)Net income available to common stockholders$11,008$9,963$9,973$11,206$13,236$8,070$10,102$9,175Basic EPS$0.38$0.35$0.35$0.34 $0.46$0.29$0.35$0.32Diluted EPS$0.38$0.34$0.35$0.34 $0.46$0.28$0.35$0.32Average Shares Outstanding:Basic28,716,98728,783,40728,806,80932,597,14528,582,61628,624,60928,649,99628,673,802Diluted28,971,23829,023,51329,081,47232,912,60528,754,71328,815,01928,888,07628,930,392 |

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| - Definition
The entire disclosure for the quarterly financial data in the annual financial statements.  The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e765-108305Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e725-108305Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=25249566&loc=d3e1280-108306Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section G -Subsection 1Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 302 -Paragraph a
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