Off-Balance Sheet Arrangements, Commitments And Contingencies (Details) $ in Thousands	Jun. 30, 2015 USD ($)
Certificates and other time deposits
1 year or less	$ 399,210
More than 1 year but less than 3 years	215,900
3 years or more but less than 5 years	47,225
Total	662,335
Federal Home Loan Bank advances
1 year or less	63,745
More than 1 year but less than 3 years	1,156
3 years or more but less than 5 years	2,069
5 years or more	544
Total	67,514
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
1 year or less	1,261
More than 1 year but less than 3 years	2,312
3 years or more but less than 5 years	1,378
5 years or more	1,921
Total	6,872
Contractual obligations (other than securities sold under agreements to repurchase)
1 year or less	464,216
More than 1 year but less than 3 years	219,368
3 years or more but less than 5 years	50,672
5 years or more	2,465
Total	$ 736,721