Leases - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Operating lease expense costs	$ 47,500	$ 44,600	$ 32,200
Gain on termination of lease	4,276
Loss on disposal of fixed assets	(6,468)
Net loss on disposal of fixed assets and gain on terminal of leases	2,200
Cash payments for operating lease liabilities	49,500	$ 48,800	$ 28,800
Cambridge, Massachusetts [Member]
Lessee, Lease, Description [Line Items]
Gain on termination of lease	4,300
Loss on disposal of fixed assets	$ 6,500