Off-Balance Sheet Arrangements, Commitments And Contingencies - Litigation (Details) $ in Thousands	Dec. 31, 2015 USD ($)
Financial instruments with off-balance sheet risk
1 year of less	$ 321,549
More than 1 year but less than 3 years	280,069
3 years or more but less than 5 years	95,560
5 years or more	90,546
Total	787,724
Commitments to Extend Credit [Member]
Financial instruments with off-balance sheet risk
1 year of less	304,396
More than 1 year but less than 3 years	278,300
3 years or more but less than 5 years	95,497
5 years or more	89,746
Total	767,939
Unused lines of Credit [Member]
Financial instruments with off-balance sheet risk
1 year of less	17,153
More than 1 year but less than 3 years	1,769
3 years or more but less than 5 years	63
5 years or more	800
Total	$ 19,785