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Income Taxes - Schedule of Components of Deferred Income Tax Assets and Liabilities for Continuing Operations (Detail) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Income Tax Disclosure [Abstract] |  |
Accrued occupancy | $ 13,028 | $ 15,814
Foreign tax credit carryforwards | 27,321 | 32,998
Valuation allowance foreign tax credits | (16,958) | (32,998)
Compensation and employee benefits | 7,054 | 7,402
Tax net operating loss carry forwards | 19,183 | 45,130
Valuation allowance | (12,069) | (12,001)
Allowance for doubtful accounts | 5,363 | 4,547
Accrued settlements and legal | 203 | 1,728
Accrued restructuring and severance | 353 | 347
Equity method for investments | 406 | 525
General business tax credits | 1,620 | 1,511
Amortization | 5,656 | 7,633
Other | 1,388 | 1,110
Total deferred income tax assets | 52,548 | 73,746
Depreciation | 111 | 153
Right of use asset, net | 10,611 | 12,037
Other | 1,475 | 1,387
Total deferred income tax liabilities | 12,197 | 13,577
Net deferred income tax assets | $ 40,351 | $ 60,169

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