Off-Balance Sheet Arrangements, Commitments And Contingencies - Litigation (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Financial instruments with off-balance sheet risk
1 year of less	$ 151,979
More than 1 year but less than 3 years	175,915
3 years or more but less than 5 years	95,336
5 years or more	89,667
Total	512,897
Commitments to Extend Credit [Member]
Financial instruments with off-balance sheet risk
1 year of less	140,088
More than 1 year but less than 3 years	175,524
3 years or more but less than 5 years	95,336
5 years or more	89,667
Total	500,615
Unused lines of Credit [Member]
Financial instruments with off-balance sheet risk
1 year of less	11,891
More than 1 year but less than 3 years	391
Total	$ 12,282