Leases Leases (Lease Cost) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating lease cost	$ 715
Finance lease cost:
Amortization of right-of-use assets	182
Interest expense on lease liabilities	5
Total lease cost	902
Cash payment information:
Cash payment information:	756
Operating cash used for finance leases	24
Financing cash used for finance leases	263
Total cash paid for amounts included in the measurement of lease liabilities	1,043
Operating lease liabilities arising from obtaining right-of-use assets	$ 778
Weighted-average remaining lease term (years) - operating leases	2 years
Weighted-average remaining lease term (years) - finance leases	1 year 2 months
Weighted-average discount rate - operating leases	10.90%
Weighted-average discount rate - finance leases	4.90%