Premises and Equipment, Minimum Annual Rent Under Operating Lease Agreements (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Payments, 2019	$ 10,235
Payments, 2020	10,107
Payments, 2021	9,500
Payments, 2022	7,084
Payments, 2023	5,183
Thereafter	22,622
Total	64,732
Operating Leases, Future Minimum Payments Receivable [Abstract]
Receipts, 2019	2,963
Receipts, 2020	3,030
Receipts, 2021	2,860
Receipts, 2022	1,875
Receipts, 2023	1,260
Thereafter	7,806
Total	$ 19,794