Off-Balance Sheet Arrangements, Commitments And Contingencies - Litigation (Details) $ in Thousands	Sep. 30, 2016 USD ($)
Financial instruments with off-balance sheet risk
1 year of less	$ 358,696
More than 1 year but less than 3 years	228,102
3 years or more but less than 5 years	99,764
5 years or more	67,503
Total	754,065
Commitments to Extend Credit [Member]
Financial instruments with off-balance sheet risk
1 year of less	348,922
More than 1 year but less than 3 years	225,914
3 years or more but less than 5 years	99,701
5 years or more	66,603
Total	741,140
Unused lines of Credit [Member]
Financial instruments with off-balance sheet risk
1 year of less	9,774
More than 1 year but less than 3 years	2,188
3 years or more but less than 5 years	63
5 years or more	900
Total	$ 12,925