The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Related Party Transactions (Details) - USD ($)	3 Months Ended		9 Months Ended
Related Party Transactions (Details) - USD ($)	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Related Party Transactions
Other liabilities	$ 6,532,000		$ 6,532,000		$ 13,466,000
Mortgage loans held for sale, at fair value	413,998,000		413,998,000		399,241,000
General and administrative	10,167,000	$ 12,611,000	33,304,000	$ 41,813,000
Technology Integration and License Agreement \| Related Party
Related Party Transactions
Other liabilities	100,000		100,000		0
Master Loan Purchase Agreement \| Related Party
Related Party Transactions
Mortgage loans held for sale, at fair value	2,800,000		2,800,000		$ 4,200,000
Master Loan Purchase Agreement \| Related Party \| Better Trust I
Related Party Transactions
Master loan purchase agreement, amount	20,000,000.0		20,000,000.0
Data Analytics Services Agreement \| Related Party
Related Party Transactions
General and administrative	0	0	0	0
Mortgage platform \| Technology Integration and License Agreement \| Related Party
Related Party Transactions
Expenses	$ 100,000	$ 200,000	$ 700,000	$ 700,000