Income Taxes - Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating loss and capital loss carryforwards	$ 11,069	$ 20,728
Reserves and accruals	47,641	34,469
Stock-based compensation	13,576	10,842
Deferred revenue	83,514	32,562
Amortizable tax basis in intangibles	1,392,471	1,468,159
Net translation losses	10,008	2,939
Credit carryforwards	5,637	905
Total deferred tax assets, gross	1,563,916	1,570,604
Deferred tax liabilities:
Depreciation and amortization	11,915	14,730
Acquisition-related intangibles	28,989	35,689
Prepaid expenses	6,931	1,720
Total deferred tax liabilities, gross	47,835	52,139
Net deferred tax assets before valuation allowance	1,516,081	1,518,465
Valuation allowance	(12,938)	(1,325)
Net deferred tax assets	$ 1,503,143	$ 1,517,140