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Total Income Tax Expense Applying U.S. Federal Income Tax Rate (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income Tax Disclosure [Abstract] |  |  |
Computed tax expense at statutory federal rates | $ 7,553 | $ 5,619 | $ 3,874
Increase (decrease) in taxes resulting from: |  |  |
State taxes, net of federal income tax benefit | 1,493 | 1,485 | 559
Unrecognized tax benefits | (1,441) | (1,783) | (2,092)
Bargain purchase gain on business acquisition | 0 | (35) | (978)
Income tax credits | (1,342) | (1,206) | (812)
Foreign tax rate differential | 785 | 262 | 2,145
Stock based compensation | 55 | 208 | 377
Global intangible low-taxed income | 0 | 162 | 0
Change in valuation allowance | 379 | 3,304 | 0
Return to provision | (693) | (651) | 71
Nondeductible / (deductible) expenses | 989 | 103 | (111)
Gross receipts taxes | 602 | 567 | 0
Other | 181 | 337 | 48
Total | $ 8,561 | $ 8,166 | $ 3,080

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- Definition Amount of current and deferred federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current and deferred national tax expense (benefit) for non-US (United States of America) jurisdiction. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32672-109319 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)(Note 1)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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