Leases - Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease, amortization of right-of-use asset	$ 7,636	$ 6,228	$ 5,057
Operating lease, short-term lease cost	427	456	365
Operating lease, variable lease cost	1,003	602	682
Gain on lease modifications and terminations	(805)	0	0
Finance lease, interest on lease liabilities	25	11	0
Finance lease, amortization of right-of-use asset	101	43	0
Finance lease, impairment	0	2,142	0
Total lease cost	$ 8,387	$ 9,482	$ 6,104