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Off-Balance-Sheet Arrangements, Commitments, Guarantees And Contingencies (Details) (USD $)
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Dec. 31, 2014
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Dec. 31, 2013
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|---|---|---|
| Commitments and Contingencies [Abstract] | ||
| Commitments to extend commercial and real estate mortgage credit | $ 324,927,000 | $ 323,925,000 |
| Standby and commercial letters of credit | 7,287,000 | 5,800,000 |
| Total | 332,214,000 | 329,725,000 |
| Maximum amount payable for Severance Compensation Plan | $ 4,500,000 |