Leases (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Lease, Cost [Abstract]
Amortization of ROU assets	$ 1,207	$ 1,140
Interest on lease liabilities	80	110
Operating lease cost	673	623
Short-term lease cost	3,781	3,212
Variable lease cost	6	1
Total lease expense	5,747	5,086
Operating cash flows from operating leases	673	622
Operating cash flows from finance leases	80	109
Financing cash flows from finance leases	1,139	1,014
ROU assets obtained in exchange for new lease liabilities, Finance leases	0	2,091
ROU assets obtained in exchange for new lease liabilities, Operating leases	$ 196	$ 264
Weighted-average remaining lease term (years), Finance leases	3 years 4 months 20 days	4 years 1 month 6 days
Weighted-average remaining lease term (years), Operating leases	3 years 7 months 17 days	4 years 3 months 25 days
Weighted-average discount rate, Finance leases	2.60%	2.80%
Weighted-average discount rate, Operating leases	3.70%	4.20%
Assets and Liabilities, Lessee [Abstract]
Finance lease ROU assets	$ 11,382		$ 12,590
Operating lease ROU assets	6,699		7,113
Finance lease liabilities, Current	3,293		3,663
Operating lease liabilities, Current	2,258		2,178
Finance lease liabilities, Noncurrent	8,903		9,672
Operating lease liabilities, Noncurrent	4,445		4,938
Finance Lease Liabilities, Payments
Remainder of 2022	2,722
2023	3,143		3,941
2024	2,348		3,143
2025	3,771		2,348
2026	801		3,771
Thereafter	0
2026			801
Thereafter			0
Total lease payments	12,785		14,004
Less: Interest	(589)		(669)
Present value of lease liabilities	12,196		13,335
Less: Current portion of lease obligation	(3,293)		(3,663)
Finance lease obligations	8,903		9,672
Operating Lease Liabilities, Payments Due
Remainder of 2020	1,923
2023	2,080		2,399
2024	1,911		2,080
2025	394		1,911
2026	333		394
Thereafter	455
2024			333
Thereafter			455
Total lease payments	7,096		7,572
Less: Interest	(393)		(456)
Present value of lease liabilities	6,703		7,116
Less: Current portion of lease obligation	(2,258)		(2,178)
Total long-term lease obligation	$ 4,445		$ 4,938

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Finance Lease, Payments

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