Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Represents the write-off of the allowance for risk-sharing obligations upon final settlement of the loss sharing amount net of recoveries.

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Amount of allowance to cover probable credit losses on loans under the Company's risk-sharing obligations with Fannie Mae.

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Number of defaulted at risk loans.

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The weighted average remaining life of the at risk servicing portfolio.

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ALLOWANCE FOR RISK-SHARING OBLIGATIONS - Summary of Allowance for Risk-Sharing Obligations (Detail) $ in Thousands	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2026 USD ($)	Mar. 31, 2026 USD ($)	Jun. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Jun. 30, 2026 USD ($) loan	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($) loan
Allowance for Risk-Sharing Contracts
Beginning balance	$ 38,673	$ 37,546	$ 31,871	$ 28,159	$ 37,546	$ 28,159	$ 28,159
Provision (benefit) for risk-sharing obligations	10,408		1,320		12,026	5,032
Write-offs					(491)
Ending balance	$ 49,081	$ 38,673	$ 33,191	$ 31,871	$ 49,081	$ 33,191	$ 37,546
Look back period		10 years		10 years
Number of defaulted loans \| loan					2		3
Investment, Type [Extensible Enumeration]	us-gaap:FederalHomeLoanMortgageCorporationCertificatesAndObligationsFHLMCMember				us-gaap:FederalHomeLoanMortgageCorporationCertificatesAndObligationsFHLMCMember		us-gaap:FederalHomeLoanMortgageCorporationCertificatesAndObligationsFHLMCMember
Amount of specific reserves placed on defaulted at risk loans	$ 23,700				$ 23,700		$ 12,600
Fannie Mae DUS program
Allowance for Risk-Sharing Contracts
Maximum quantifiable contingent liability associated with guarantees	$ 14,400,000				$ 14,400,000		$ 14,100,000
Fannie Mae DUS Program
Allowance for Risk-Sharing Contracts
Number of defaulted loans \| loan					14		11
Weighted average remaining life of the at risk servicing portfolio					4 years 9 months 18 days		5 years 1 month 6 days