Leases (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Lease liabilities	$ 6,916	$ 6,916	$ 7,290
Right-of-use assets	6,192	6,192	$ 6,570
Short-term lease cost	33	57
Operating lease cost	$ 419	$ 837
Weighted average remaining lease term	6 years 6 months	6 years 6 months
Weighted average discount rate	5.50%	5.50%