Right-Of-Use Assets and Lease Liabilities - Operating Leases and Finance Leases (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Leases [Abstract]
Operating lease expense		$ 4,221	$ 3,850	$ 3,980
Amortization of ROU assets - finance leases		101	44	43
Interest on lease liabilities - finance leases	[1]	74	11	20
Total Lease Expense		4,396	$ 3,905	$ 4,043
Operating Lease, Assets And Liabilities, Lessee [Abstract]
ROU assets		47,686
Operating cash flows		5,028
Finance Leases
ROU assets		1,513
Operating cash flows		47
Financing cash flows		$ 57
Weighted Average Lease Term - Years
Operating leases		19 years 2 months 4 days
Finance leases		12 years 1 month 28 days
Weighted Average Discount Rate
Operating leases		5.94%
Finance leases		5.73%

[1] Included in borrowings interest expense in our Consolidated Statements of Net Income. All other lease costs in this table are included in net occupancy expense.