Commitments and Contingencies (Narrative) (Details) $ in Thousands		12 Months Ended
	Jan. 01, 2019 lease	Dec. 31, 2021 USD ($) lease	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Number of operating lease contracts | lease	11	7
Number of finance lease contracts | lease		6
Term of lease excluded		2 years 9 months 18 days
Operating lease right-of-use assets		$ 7,914	$ 13,912
Operating lease liabilities		$ 8,130	9,155
Remaining lease term		34 years 10 months 24 days
Weighted average discount rate, percent		7.35%
Operating lease payments		$ 800	800
Operating lease costs		900	$ 900	$ 1,000
Land
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets		$ 5,700
Minimum
Lessee, Lease, Description [Line Items]
Renewal term		20 years 10 months 24 days
Maximum
Lessee, Lease, Description [Line Items]
Renewal term		85 years 8 months 12 days