Leases (Lease Cost and Cash Paid) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Leases [Abstract]
Operating lease cost		$ 928		$ 1,856
Variable lease cost		12		23
Total lease cost	[1]	940	$ 938	1,879	$ 1,900
Cash paid reducing operating lease liabilities		$ 831		$ 1,751

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