Leases (Details-1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Lease Cost [Abstract]
Amortization of leased assets, Depreciation and amortization	$ 1,609	$ 1,694
Interest on lease liabilities, Interest expense, net	771	784
Operating lease expense, Other operations and maintenance	506	319
Total lease expense	$ 2,886	$ 2,797