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Income Taxes - Tax Effects of Temporary Differences That Rises to Significant Portions of Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Income Tax Disclosure [Abstract] |  |
Net operating loss carryforwards | $ 1,594 | $ 1,091
Allowance for doubtful accounts | 3,156 | 2,902
Employee benefits and compensation | 26,442 | 24,761
Lease costs | 4,889 | 4,099
State tax credit carryforwards | 1,322 | 1,353
Other deferred tax assets | 30 | 287
Total gross deferred tax assets | 37,433 | 34,493
Less: valuation allowance | (2,799) | (1,840)
Total deferred tax assets, net | 34,634 | 32,653
Client list intangible assets | 846 | 1,184
Goodwill and other intangibles | 42,496 | 35,840
Property and equipment | 2,291 | 1,356
Other deferred tax liabilities | 721 | 1,037
Total gross deferred tax liabilities | 46,354 | 39,417
Net deferred tax liability | $ (11,720) | $ (6,764)

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