Leases (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating lease rent expense	[1]	$ 973	$ 940	$ 1,937	$ 1,879
Options to extend reasonably certain of being exercised				2,600
Short-term operating lease liabilities		$ 2,700		$ 2,700

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