Financing and Operating Leases - Operating and Financing Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Leases
Operating lease right-of-use assets, net of amortization	$ 12,416	$ 12,069
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, Plant, Equipment and Operating Lease Right-of-Use Asset	Property, Plant, Equipment and Operating Lease Right-of-Use Asset
Operating lease liability (current)	$ 2,249	$ 1,857
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued Liabilities, Current	Accrued Liabilities, Current
Long-term operating liability	$ 10,684	$ 10,703
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Total operating lease liabilities	$ 12,933	$ 12,560
Property, equipment and leasehold improvements	102,064	97,119
Accumulated depreciation	(64,517)	(61,937)
Total property, equipment and leasehold improvements, net	49,963	47,251
Financing lease liability (current)	$ 2,822	$ 2,257
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued Liabilities, Current	Accrued Liabilities, Current
Long-term financing liability	$ 5,000	$ 2,668
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Total financing lease liabilities	$ 7,822	$ 4,925
Financing leases
Leases
Property, equipment and leasehold improvements	12,630	9,088
Accumulated depreciation	(2,864)	(2,451)
Total property, equipment and leasehold improvements, net	$ 9,766	$ 6,637