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Commitments and Contingencies - Additional Information (Detail) $ in Millions |  | 6 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2020 Officer | Jun. 30, 2022 USD ($) | Dec. 31, 2021 USD ($) | Mar. 31, 2021 USD ($)
Contingencies And Commitments [Line Items] |  |  |  |
Commitments related to performance bonds |  | $ 21.8 | $ 22.9 |
Commitments related to performance bonds expiration month and year |  | 2025-04 |  |
Commitments towards private equity funds |  | $ 4.9 |  |
Investment Commitments [Member] |  |  |  |
Contingencies And Commitments [Line Items] |  |  |  |
Aggregate investment committed in private equity funds |  | $ 5.0 |  |
Minimum [Member] |  |  |  |
Contingencies And Commitments [Line Items] |  |  |  |
Collateral value required to be maintained |  |  |  | $ 15.0
Current Executive Officers [Member] |  |  |  |
Contingencies And Commitments [Line Items] |  |  |  |
Number of officers | Officer | 2 |  |  |
Former Executive Officers [Member] |  |  |  |
Contingencies And Commitments [Line Items] |  |  |  |
Number of officers | Officer | 1 |  |  |

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- Definition Commitments related to performance bonds. + References No definition available. + Details
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- Definition Commitments related to performance bonds expiration month and year. + References No definition available. + Details
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- Definition Amount of assets pledged to secure a debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823 + Details
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- Definition Cost of the investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 50 -Paragraph 6 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841 + Details
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- Details
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- Details
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