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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, 2016 | Dec. 31, 2015
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Income Tax Disclosure [Abstract] |  |
Net operating loss carryforwards . | $ 884 | $ 952
Allowance for doubtful accounts | 4,486 | 4,569
Employee benefits and compensation | 29,166 | 27,984
Lease costs | 2,772 | 3,318
State tax credit carryforwards | 1,489 | 1,393
Other deferred tax assets | 2,951 | 2,497
Total gross deferred tax assets | 41,748 | 40,713
Less: valuation allowance | (1,314) | (1,376)
Total deferred tax assets, net | 40,434 | 39,337
Accrued interest | 2,494 | 3,847
Client list intangible assets | 2,717 | 3,273
Goodwill and other intangibles | 38,646 | 32,114
Other deferred tax liabilities | 122 | 209
Total gross deferred tax liabilities | 43,979 | 39,443
Net deferred tax (liability) asset | $ (3,545) | $ (106)

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