Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating lease costs
Single lease costs	$ 1,039	$ 1,038	$ 2,086	$ 2,076
Variable lease costs	566	510	1,093	967
Sublease income:
Sublease income	(494)	(475)	(988)	(950)
Total operating lease costs	$ 1,111	$ 1,073	$ 2,191	$ 2,093