Premises, Furniture, and Equipment (Details) - Operating Leases $ in Thousands	Sep. 30, 2016 USD ($)
Property, Plant and Equipment [Abstract]
One year or less	$ 21,332
After one year to two years	18,083
After two years to three years	16,762
After three years to four years	15,882
After four years to five years	14,476
After five years	109,752
Total minimum lease payments	$ 196,287