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Income Tax - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Components of Deferred Tax Assets [Abstract] |  |
Net operating loss and tax credit carryforwards | $ 31,465 | $ 33,532
Stock-based compensation | 471 | 481
Investments in affiliates | 1,395 | 1,237
Right of use lease liability | 1,825 | 2,017
Bonus accrual | 1,172 | 1,246
Goodwill amortization | 0 | (1)
Valuation allowance | (23,666) | (25,214)
Total deferred tax assets | 12,662 | 13,298
Components of Deferred Tax Liabilities [Abstract] |  |
Right of use lease asset | (1,739) | (1,943)
Depreciation and amortization | (38) | 0
Total deferred tax liabilities | (1,777) | (1,943)
Net deferred income tax assets | $ 10,885 | $ 11,355

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