Off-Balance Sheet Arrangements, Commitments And Contingencies - Litigation (Details) $ in Thousands	Mar. 31, 2016 USD ($)
Financial instruments with off-balance sheet risk
1 year of less	$ 319,022
More than 1 year but less than 3 years	288,038
3 years or more but less than 5 years	89,224
5 years or more	70,709
Total	766,993
Commitments to Extend Credit [Member]
Financial instruments with off-balance sheet risk
1 year of less	302,404
More than 1 year but less than 3 years	286,469
3 years or more but less than 5 years	89,161
5 years or more	69,909
Total	747,943
Unused lines of Credit [Member]
Financial instruments with off-balance sheet risk
1 year of less	16,618
More than 1 year but less than 3 years	1,569
3 years or more but less than 5 years	63
5 years or more	800
Total	$ 19,050