Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Lease Cost
Amortization of leased assets	$ 1,885	$ 1,516
Interest on lease liabilities	1,852	2,044
Operating lease cost:	222	270
Total leased cost	$ 3,959	$ 3,830
Weighted-average remaining lease term (in years)
Finance leases	6 years 7 months 24 days		6 years 10 months 24 days
Operating leases	8 years 7 months 6 days		8 years 3 days
Weighted-average discount rate:
Finance leases	11.05%		11.05%
Operating leases	4.84%		4.73%