Leases (Lease Cost and Cash Paid) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Leases [Abstract]
Operating lease expense		$ 1,005	$ 951
Variable lease expense		15	13
Total lease expense	[1]	1,020	964
Cash paid reducing operating lease liabilities		$ 989	$ 934

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