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Summary of Significant Accounting Policies - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2023 USD ($) Segment | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Gain (losses) from foreign currency remeasurement and settlement | $ (11,000) | $ (377,000) | $ 445,000 |
Number of reportable segment | Segment | 1 |  |  |
Number of operating segment | Segment | 1 |  |  |
Letter of credit, Total | $ 795,000 | 795,000 |  |
Restricted cash, noncurrent | 795,000 | 795,000 |  |
Investments in a continuous unrealized loss position for more than twelve months | 0 | 0 |  |
Impairment of intangible assets | 0 |  |  |
Impairment of long-lived assets | 0 |  |  |
Impairment charges | 0 | 0 |  |
Payment to acquire interest in joint venture | 3,920,000 | 1,960,000 | 2,548,000 |
Share of loss in operations of joint venture | 2,590,000 | 2,278,000 | 3,132,000 |
Advertising expenses | 5,508,000 | 6,607,000 | 5,604,000 |
Impairment losses | 0 |  |  |
Impairment charges related to capitalized software development costs | $ 0 |  |  |
Percentage of uncertain income taxes to be realized for recognizing in the income statement | 50.00% |  |  |
Accounting Standards Update 2021-08 [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Change in accounting principle, accounting standards update, adopted [true false] | true |  |  |
Change in accounting principle, accounting standards update, adoption date | Jul. 01, 2021 |  |  |
Variable Interest Entity, Primary Beneficiary [Member] | CCACV JV LLC [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Payment to acquire interest in joint venture |  |  |  | $ 2,940,000
Percentage of ownership interest in joint venture |  |  |  | 49.00%
Estimated additional total capital contributions necessary |  |  |  | $ 11,800,000
Additional capital contribution related to portion of phase one capital commitment | $ 3,920,000 | 1,960,000 | 2,548,000 |
Share of loss in operations of joint venture | 2,590,000 | 2,278,000 | $ 3,132,000 |
Equity method investment carrying value | $ 1,180,000 | $ (150,000) |  |
Computer Software [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment useful life | 3 years |  |  |
Furniture and Fixtures [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment useful life | 3 years |  |  |
Office Equipment [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment useful life | 3 years |  |  |
Software Development Costs [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment useful life | 3 years |  |  |
Customer Concentration Risk | Accounts Receivable [Member] | Related Party Client One [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Percentage of net total revenue | 40.00% | 18.00% |  |
Customer Concentration Risk | Accounts Receivable [Member] | Related Party Client Two [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Percentage of net total revenue |  | 18.00% |  |
Customer Concentration Risk | Revenue Benchmark [Member] | Related Party Client One [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Percentage of net total revenue | 24.00% | 23.00% | 25.00% |
Minimum [Member] | Software Development [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Finite-lived intangible asset, useful life | 3 years |  |  |
Minimum [Member] | Computer Equipment [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment useful life | 3 years |  |  |
Maximum [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Percentage of economic or ownership interest in consolidated entities | 100.00% |  |  |
Maximum [Member] | Software Development [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Finite-lived intangible asset, useful life | 5 years |  |  |
Maximum [Member] | Computer Equipment [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment useful life | 4 years |  |  |

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