Leases - Lease Costs (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Finance lease cost, amortization, cost of revenue	$ 2,622,000	$ 2,711,000
Finance lease cost, interest expense, net	305,000	363,000
Total lease cost	8,051,000	8,084,000
Cost of revenue
Lessee, Lease, Description [Line Items]
Operating lease cost	2,901,000	3,527,000
Cost of revenue | Operating Lease
Lessee, Lease, Description [Line Items]
Variable lease costs	500,000	700,000
Cost of revenue | Finance Lease
Lessee, Lease, Description [Line Items]
Variable lease costs	2,800,000	2,400,000
Selling, general and administrative expenses
Lessee, Lease, Description [Line Items]
Operating lease cost	2,223,000	1,483,000
Selling, general and administrative expenses | Operating Lease
Lessee, Lease, Description [Line Items]
Variable lease costs	400,000	300,000
Selling, general and administrative expenses | Finance Lease
Lessee, Lease, Description [Line Items]
Variable lease costs	$ 0	$ 0