Subsequent Events - Additional Information (Detail) - USD ($) $ in Thousands |
12 Months Ended | |||||
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Mar. 01, 2023 |
Feb. 28, 2023 |
Jan. 03, 2022 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Subsequent Event [Line Items] | ||||||
| Acquisition assets | $ 0 | $ 108,883 | $ 717,961 | |||
| Restructuring program, cumulative one-time charges | $ 5,717 | $ 14,380 | ||||
| Griffin Underwriting Services [Member] | ||||||
| Subsequent Event [Line Items] | ||||||
| Acquisition assets | $ 116,700 | |||||
| Subsequent Event [Member] | ||||||
| Subsequent Event [Line Items] | ||||||
| Subsequent Event, Date | Mar. 01, 2023 | |||||
| Restructuring program, cumulative one-time charges | $ 65,000 | |||||
| Restructuring program, future savings | $ 35,000 | |||||
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- Definition The quantified amount of the future effect on earnings. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
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- Definition Date the event occurred after the balance sheet date but before financial statements are issues or available to be issued, in YYYY-MM-DD format. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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