Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating lease costs
Single lease costs	$ 1,047	$ 1,038
Variable lease costs	527	457
Sublease income:
Sublease income	(494)	(475)
Total operating lease costs	$ 1,080	$ 1,020