Leases (Lease Cost and Cash Paid) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020		Dec. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Operating lease expense	$ 3,921		$ 3,724
Variable lease expense	56		49
Total lease expense	3,977		3,773	$ 3,700
Cash paid reducing operating lease liabilities	$ 3,791	[1]	$ 3,586

[1] Included in net occupancy expenses in the Consolidated Income Statement.