Reverse Mortgage Loan Portfolio - Schedule of Owned Reverse Mortgage Loan Portfolio by Product Type (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Reverse mortgage loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total owned loan portfolio	$ 28,366,960	$ 27,342,669
Adjustable rate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total owned loan portfolio	20,662,839	19,966,185
Fixed rate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total owned loan portfolio	$ 7,704,121	$ 7,376,484

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.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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