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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Deferred Tax Assets: |  |
Stock-based compensation expense | $ 41,176 | $ 35,999
Federal net operating loss and R&D credit carryforward | 4,388 | 5,477
State net operating loss carryforward | 37,339 | 39,820
Foreign net operating loss carryforward and other | 6,905 | 7,486
Capitalized research and development | 18,650 | 11,759
Accrued expense associated with voluntary separation program | 389 | 3,796
Basis differences in investments | 7,079 | 5,111
Federal benefit of state tax deduction for uncertain tax positions | 2,079 | 2,039
Revenue and expense recognized in different periods for financial reporting and income tax purposes | 2,402 | 2,306
Other assets | 2,419 | 2,509
Total deferred income tax assets | 122,826 | 116,302
Net deferred income tax assets | 83,070 | 71,056
Deferred Tax Liabilities: |  |
Difference in financial reporting and income tax depreciation methods | (6,237) | (9,679)
Difference between book and tax basis of other assets | (8,316) | (7,652)
Goodwill and other intangibles | (6,263) | (6,784)
Capitalized contract costs | (10,270) | (9,232)
Total deferred income tax liabilities | (31,086) | (33,347)
Net deferred income tax assets | 51,984 | 37,709
Federal |  |
Deferred Tax Assets: |  |
Less: Net operating loss valuation allowance | (794) | (794)
State |  |
Deferred Tax Assets: |  |
Less: Net operating loss valuation allowance | (32,057) | (36,966)
Foreign |  |
Deferred Tax Assets: |  |
Less: Net operating loss valuation allowance | $ (6,905) | $ (7,486)

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