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Related-Party Transactions - Other Related-Party Arrangements (Details) - USD ($)	1 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Related-Party Transactions
Other assets		$ 362,991,000	$ 368,229,000
Highmark Residential
Related-Party Transactions
Amounts of transaction		7,100,000	6,500,000	$ 6,000,000.0
Fund Participants | Reo Portfolio
Related-Party Transactions
Aggregate commitment		15,000,000.0
Capital commitments funded		$ 4,900,000
Additional earning increments of operating cash flows		60.00%
Preferred return rate		5.00%
Non-controlling interest income		$ 0	1,100,000	1,900,000
Fund Participants | Reo Portfolio | Fund Participants
Related-Party Transactions
Ownership percentage		10.00%
Shared Services Agreement | Affiliated Entity
Related-Party Transactions
Amounts of transaction		$ 3,700,000	4,400,000
Other assets		1,800,000
Construction Loan Services Contract | Affiliated Entity
Related-Party Transactions
Amounts of transaction	$ 300,000
Construction Loan	$ 550,000,000.0
Construction Loan Services Contract, Costs | Affiliated Entity
Related-Party Transactions
Amounts of transaction		200,000
Title Agency Services | Affiliated Entity
Related-Party Transactions
Amounts of transaction		$ 400,000	$ 1,700,000	$ 0

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This element represents the carrying value of a short-term real estate loan to finance building costs. The funds are disbursed as needed or in accordance with a prearranged plan; generally, a portion of the funds is disbursed at inception and the remainder as construction progresses. The money is repaid on completion of the project, usually from the proceeds of a mortgage loan. The rate is normally higher than the prime rate, and there is usually an origination fee. The effective yield on these loans tends to be high, and the lender has a security interest in the real property. Note that there are separate concepts for the current and noncurrent portions of long-term construction loans.

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