Leases - Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Rent expense	$ 7,756	$ 5,264	$ 3,409
Variable lease payments	1,650	1,357	959
Cash paid for amounts included in the measurement of lease liabilities	4,553	4,158	1,905
Total right-of-use assets capitalized	$ 83,463	$ 5,506	$ 16,190
Weighted-average remaining lease term (in years)	8 years 3 days
Weighted-average discount rate	3.83%