assets and liabilities as of March 31, 2021 and December 31, 2020, as well as the costs of operating and financial leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Liabilities
Operating leases	$ 80	$ 62
Amortization of leased assets	25	25
Interest on finance leases	32	36
Total lease cost	$ 137	$ 123
Weighted Average Remaining Lease Term
Operating leases	8 years 69 days 8 hours 24 minutes		7 years 219 days
Financing leases	14 years 73 days		14 years 73 days
Weighted Average Discount Rate 1
Operating leases	3.80%		3.70%
Financing leases	8.30%		8.40%
Assets And Liabilities [Member]
Assets
Operating	$ 1,128		$ 1,182
Finance	1,377		1,402
Total Leased Assets	2,505		2,584
Liabilities
Finance	1,658		1,673
Total lease liabilities	$ 2,796		$ 2,855