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Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions | Mar. 31, 2021 | Dec. 31, 2020
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Commitments and Contingencies Disclosure [Abstract] |  |
Escrow and trust deposits | $ 238.7 | $ 46.1
Letters of credit | $ 51.7 | $ 50.7

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- References No definition available. + Details
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Balance Type: | na
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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