Commitments and Contingencies (Narrative) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) lease	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Number of operating lease contracts | lease	7
Number of finance lease contracts | lease	6
Renewal term of lease excluded	2 years 6 months
Operating lease right-of-use assets	$ 7,889		$ 7,914
Operating lease liabilities	$ 8,120		$ 8,130
Remaining lease term	34 years 8 months 12 days
Weighted average discount rate, percent	7.37%
Operating lease payments	$ 200	$ 200
Operating lease liability	$ 200	$ 200
Minimum
Lessee, Lease, Description [Line Items]
Renewal term	20 years 7 months 6 days
Maximum
Lessee, Lease, Description [Line Items]
Renewal term	85 years 6 months