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Capital and Liquidity Requirements (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Compliance with Regulatory Capital Requirements under Banking Regulations
Percentage of freddie Mac's liquidity requirement of outstanding principal of TAH loans serviced	8.00%	8.00%
Outstanding borrower advances, reimbursement period	120 days	120 days
Outstanding borrower advances	$ 5.8	$ 0.5
Seller/Servicer Agreements
Compliance with Regulatory Capital Requirements under Banking Regulations
Amount of capital in excess of aggregate regulatory requirements	$ 386.7	$ 370.2

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Outstanding borrower advances to investors.

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Outstanding Borrower Advances To Investors, Reimbursement Period

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Percentage of liquidity requirement of outstanding principal of targeted affordable housing loans serviced.

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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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

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Amount of total risk-based capital exceeding minimum required for capital adequacy as defined by regulatory framework.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

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