Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease cost	$ 5,185	$ 4,389	$ 3,376
Variable lease cost	0	0	44
Short-term lease cost	141	124	87
Sublease income	(220)	0	0
Total net lease cost	$ 5,106	$ 4,513	$ 3,507