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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Income Taxes [Line Items] |  |  |  |
Operating loss carryforwards | $ 881 | $ 2,845 |  |
Valuation allowances | 5,023 | 6,518 |  |
Incentive tax credit carryforwards | 8,286 | 8,715 |  |
Unrecognized tax benefits | 6,647 | 4,292 | $ 4,069 |
Potential increase (decrease) in income tax provision | 5,400 | 3,700 |  |
Possible increase in unrecognized tax benefits resulting from audit settlements | 100 |  |  |
CaseStack, Inc. [Member] | Internal Revenue Service [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Operating loss carryforwards | 1,300 | $ 1,300 | $ 1,300 |
Federal [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Operating loss carryforwards | 200 |  |  |
Incentive tax credit carryforwards | 100 |  |  |
Federal [Member] | CaseStack, Inc. [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Operating loss carryforwards |  |  |  | $ 4,100
State [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Operating loss carryforwards | 600 |  |  |
Incentive tax credit carryforwards | 8,200 |  |  |
State [Member] | Tax Incentive Credit Carryforwards [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Valuation allowances | 3,400 |  |  |
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount | $ 5,000 |  |  |
Minimum [Member] | CaseStack, Inc. [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Operating loss carryforwards, expiration date | Dec. 31, 2022 |  |  |
Minimum [Member] | Federal [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax credit carryforward, expiration date | Dec. 31, 2025 |  |  |
Minimum [Member] | State [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax credit carryforward, expiration date | Dec. 31, 2022 |  |  |
Maximum [Member] | CaseStack, Inc. [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Operating loss carryforwards, expiration date | Dec. 31, 2040 |  |  |
Maximum [Member] | Federal [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax credit carryforward, expiration date | Dec. 31, 2028 |  |  |
Maximum [Member] | State [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax credit carryforward, expiration date | Dec. 31, 2026 |  |  |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319 + Details
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- Definition Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319 + Details
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