Financial Instruments with Off-Balance Sheet Risk (Details) $ in Thousands	Jun. 30, 2016 USD ($)
Entity Information [Line Items]
Credit Extension Commitments	$ 1,597,683
Credit Extension Commitments, Beyond One Year	404,152
Standby Letters of Credit
Entity Information [Line Items]
Credit Extension Commitments	51,804
Unused Credit Card Lines
Entity Information [Line Items]
Credit Extension Commitments	$ 569,171