Recent Transactions - Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands  | 
May 02, 2022  | 
Sep. 30, 2022  | 
Dec. 31, 2021  | 
Dec. 31, 2020  | 
|---|---|---|---|---|
| Business Acquisition [Line Items] | ||||
| Goodwill | $ 23,861 | $ 23,986 | $ 23,757 | |
| Retirement Media [Member] | ||||
| Business Acquisition [Line Items] | ||||
| Payments to Acquire Productive Assets | $ 200 | |||
| Retirement Media [Member] | ||||
| Business Acquisition [Line Items] | ||||
| Goodwill | $ 2,400 | 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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