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Income Taxes - Summary of Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Deferred Tax Assets, Gross [Abstract] |  |
Allowance for doubtful accounts | $ 13,041 | $ 11,792
Accrued vacation and bonus | 27,438 | 23,545
Deferred rent | 0 | 9,016
Share-based compensation | 12,647 | 11,837
Notes receivable from employees | 12,187 | 12,993
State net operating loss carryforward | 2,066 | 3,510
Foreign net operating loss carryforward | 9,388 | 9,857
Federal tax credit and capital loss carryforward | 7,336 | 9,470
Deferred compensation | 2,117 | 1,801
Operating lease assets | 43,397 |
Employee benefits obligations | 1,191 | 943
Other, net | 1,898 | 186
Total deferred tax assets | 132,706 | 94,950
Deferred tax liabilities |  |
Revenue recognition | (6,732) | (5,087)
Operating lease liabilities | (29,671) |
Property and equipment, net | (3,797) | (6,652)
Equity debt discount | (8,890) | (11,014)
Goodwill and other intangible assets | (209,250) | (199,964)
Total deferred tax liabilities | (258,340) | (222,717)
Foreign withholding tax | (1,195) | (413)
Valuation allowance | (19,865) | (21,929)
Net deferred tax liabilities | $ (146,694) | $ (150,109)

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