|**Purchase and Assumption (Tables) (SCB Bank)**                                                         | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
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|SCB Bank                                                                                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|**Business Acquisition [Line Items]**                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Assets and Liabilities of SCB Recorded at Provisional Fair Value                                        | The statement of net assets and liabilities acquired as of February 10, 2012, are presented below.  The assets and liabilities of SCB were recorded at the respective acquisition date provisional fair values, and identifiable intangible assets were recorded at provisional fair value.AssetsLiabilitiesCash and due from banks (1)$29,113Deposits:Investment securities, available for sale18,896Non-interest bearing$13,715Federal Home Loan Bank stock1,761NOW accounts14,746Loans:Savings and money market25,843Commercial51,042Certificate of deposit71,605Residential mortgage11,181Total Deposits125,909Installment31,570Total Loans93,793Federal Home Loan Bank advances10,286Other liabilities804Premises1,516Total Liabilities Assumed$136,999Core deposit intangible484Other assets560Net Gain on Acquisition$9,124Total Assets Purchased$146,123(1)Includes$17,200,000cash received from the FDIC.
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|Assets                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Cash and due from banks (1)                                                                             | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Investment securities, available for sale                                                               | 18,896                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Federal Home Loan Bank stock                                                                            | 1,761                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|Loans:                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Commercial                                                                                              | 51,042                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Residential mortgage                                                                                    | 11,181                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Installment                                                                                             | 31,570                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Total Loans                                                                                             | 93,793                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
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|Premises                                                                                                | 1,516                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|Core deposit intangible                                                                                 | 484                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Other assets                                                                                            | 560                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Total Assets Purchased                                                                                  | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
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|(1)                                                                                                     | Includes$17,200,000cash received from the FDIC.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Acquired Loans Accounted With ASC 310 30                                                                | In accordance with ASC 310-30 (formerly Statement of Position (“SOP”) 03-3 as of February 10, 2012, loans acquired during 2012 for which it was probable at acquisition that all contractually required payments would not be collected are as follows:Preliminary estimate of contractually required principal and interest at acquisition$31,143Preliminary estimate of contractual cash flows not expected to be collected (nonaccretable differences)9,688Preliminary estimate of expected cash flows at acquisition21,455Preliminary estimate of interest component of expected cash flows (accretable discount)4,152Preliminary estimate of fair value of acquired loans accounted for under ASC 310-30$17,303                                                                                                                                                                                              
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|Preliminary estimate of contractually required principal and interest at acquisition                    | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Preliminary estimate of contractual cash flows not expected to be collected (nonaccretable differences) | 9,688                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|Preliminary estimate of expected cash flows at acquisition                                              | 21,455                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Preliminary estimate of interest component of expected cash flows (accretable discount)                 | 4,152                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|Preliminary estimate of fair value of acquired loans accounted for under ASC 310-30                     | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 

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