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Income Taxes - Current and Long-Term Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Income Tax Disclosure [Abstract] |  |
Accrued liabilities | $ 90,384 | $ 81,302
Operating leases | 60,226 | 51,450
Loss and credit carryforwards | 31,662 | 23,852
Assets relating to equity compensation | 15,863 | 14,981
Other assets | 12,195 | 16,290
Gross deferred tax assets | 210,330 | 187,875
Valuation allowance | (23,331) | (15,717)
Net deferred tax assets | 186,999 | 172,158
Property, equipment and leasehold improvements | (14,576) | (9,852)
Intangible assets | (123,523) | (172,723)
Prepaid expenses | (70,149) | (46,105)
Other liabilities | (20,536) | (13,152)
Gross deferred tax liabilities | (228,784) | (241,832)
Net deferred tax liabilities | $ (41,785) | $ (69,674)

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