Leases - Additional Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Right-of-use assets	$ 11,000		$ 12,400
Present value of lease liabilities	11,657
Other commitment	39,259
Operating lease, rent expense	$ 7,300	$ 11,200
Minimum | Computer Equipment
Lessee, Lease, Description [Line Items]
Lease term	3 years
Maximum | Computer Equipment
Lessee, Lease, Description [Line Items]
Lease term	5 years