Financial Instruments with Off-Balance Sheet Risk (Details) $ in Thousands	Jun. 30, 2015 USD ($)
Entity Information [Line Items]
Credit Extension Commitments	$ 995,388
Credit Extension Commitments, Beyond One Year	357,999
Standby Letters of Credit
Entity Information [Line Items]
Credit Extension Commitments	58,105
Unused Credit Card Lines
Entity Information [Line Items]
Credit Extension Commitments	$ 528,943