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Income Taxes - Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Deferred tax assets: |  |
Net operating loss and capital loss carryforwards | $ 1,389 | $ 15,380
Reserves and accruals | 62,891 | 32,759
Stock-based compensation | 25,054 | 19,469
Deferred revenue | 142,082 | 117,039
Capitalized research & development | 41,505 | 54,293
Amortizable tax basis in intangibles | 1,325,236 | 1,350,434
Other | 13,228 | 16,645
Deferred tax assets before valuation allowance | 1,611,385 | 1,606,019
Valuation allowance | (14,991) | (23,286)
Total deferred tax assets | 1,596,394 | 1,582,733
Deferred tax liabilities: |  |
Depreciation and amortization | 7,814 | 11,407
Acquisition-related intangibles | 25,097 | 26,008
Other | 3,570 | 3,438
Total deferred tax liabilities | 36,481 | 40,853
Net deferred tax assets | $ 1,559,913 | $ 1,541,880

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