Leases - Schedule of Components of Lease Expense (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Leases [Abstract]
Operating lease cost	[1]	$ 11,291	$ 10,126	$ 32,938	$ 32,034
Variable lease cost		3,555	2,904	11,048	8,433
Net operating lease cost		$ 14,846	$ 13,030	$ 43,986	$ 40,467

[1] Operating lease cost is presented net of sublease income. Sublease income for the three and nine months ended September 30, 2021 and September 30, 2020, respectively, was not material.