Leases (Lease Cost and Cash Paid) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Leases [Abstract]
Operating lease cost		$ 931		$ 2,787
Variable lease cost		13		36
Total lease cost	[1]	944	$ 942	2,823	$ 2,800
Cash paid reducing operating lease liabilities		$ 926		$ 2,677

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