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The Company and Significant Accounting Policies - Impairment - Additional Information (Detail) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2024 USD ($) Segment | Mar. 31, 2023 | Dec. 31, 2023 USD ($) | Oct. 01, 2023 USD ($)
Accounting Policies [Line Items] |  |  |  |
Number of reportable segments | Segment | 3 |  |  |
Goodwill | $ 55,272,000 |  | $ 90,672,000 |
Impairment of goodwill | 35,400,000 |  |  |
Meta Platforms |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Impairment charges related to intangible subject to amortization | $ 14,000,000 |  |  |
Customer Concentration Risk | Revenue | Meta Platforms |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Concentration risk percentage | 53.00% | 51.00% | 53.00% |
Digital |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Goodwill | $ 14,723,000 |  | $ 50,123,000 | $ 50,100,000
Percentage of fair value of assets | 28.00% |  |  |
Impairment of goodwill | $ 35,400,000 |  | $ 0 |
Digital | Customer Concentration Risk | Revenue | Meta Platforms |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Concentration risk percentage | 62.00% | 62.00% | 63.00% |

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