Leases (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Weighted Average Remaining Lease Term [Abstract]
Operating leases		2 years 3 months 18 days
Finance leases		8 years 1 month 6 days
Weighted Average Discount Rate [Abstract]
Operating leases		5.75%
Finance leases		5.04%
Operating Leases, Right-of-Use Assets and Lease Liabilities [Abstract]
Right-of-use asset		$ 1,305		$ 1,464
Operating lease liabilities, non-current		788		$ 941
Future Minimum Lease Commitments [Abstract]
2021 (excluding the three months ended March 31, 2021)		559
2022		592
2023		373
2024		27
2025		0
After 2025		0
Total lease payments		1,551
Less imputed interest		(103)
Total		1,448
Finance Lease Liabilities, Payments, Due [Abstract]
2021 (excluding the three months ended March 31, 2021)		1,580
2022		2,149
2023		2,203
2024		2,257
2025		2,314
After 2025		8,343
Total lease payments		18,847
Less imputed interest		(3,528)
Total		15,319
Lease, Cost [Abstract]
Operating lease cost		182	$ 177
Short-term lease cost	[1]	4	18
Finance lease cost [Abstract]
Amortization of finance lease assets		305	305
Interest on finance lease liabilities		196	211
Total finance lease cost		501	516
Total lease costs		687	711
Cash paid for amounts included in the measurement of lease liabilities [Abstract]
Cash flows from operating activities - operating leases		194	184
Cash flows from operating activities - finance leases		196	211
Cash flows from financing activities - finance leases		321	294
Operating lease ROU assets obtained in exchange for operating lease liabilities		$ 160	$ 145

[1] Leases that have terms of 12 months or less.