Debt - Summary of TMHF Mortgage Warehouse Borrowings (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Line of Credit Facility [Line Items]
Amount Drawn	$ 174,460,000	$ 153,464,000
Secured Debt
Line of Credit Facility [Line Items]
Amount Drawn	174,460,000	153,464,000
Facility Amount	410,000,000	360,000,000
Secured Debt | Warehouse A
Line of Credit Facility [Line Items]
Amount Drawn	0	13,477,000
Facility Amount	$ 0	$ 60,000,000
Interest Rate	1.70%	1.70%
Collateral	Mortgage loans	Mortgage loans
Secured Debt | Warehouse C
Line of Credit Facility [Line Items]
Amount Drawn	$ 69,008,000	$ 25,567,000
Facility Amount	$ 125,000,000	$ 100,000,000
Interest Rate	1.50%	1.65%
Collateral	Mortgage loans	Mortgage loans
Secured Debt | Warehouse D
Line of Credit Facility [Line Items]
Amount Drawn	$ 60,176,000	$ 56,745,000
Facility Amount	$ 125,000,000	$ 100,000,000
Interest Rate	1.50%	1.50%
Collateral	Mortgage loans	Mortgage loans
Secured Debt | Warehouse E
Line of Credit Facility [Line Items]
Amount Drawn	$ 43,153,000	$ 57,675,000
Facility Amount	$ 100,000,000	$ 100,000,000
Interest Rate	1.60%	1.60%
Collateral	Mortgage loans	Mortgage loans
Secured Debt | Warehouse F
Line of Credit Facility [Line Items]
Amount Drawn	$ 2,123,000
Facility Amount	$ 60,000,000
Interest Rate	1.70%
Collateral	Mortgage loans
Revolving Credit Facility | $1 Billion Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Facility Amount	$ 1,000,000,000	$ 1,000,000,000
Proceeds from issuance of long-term debt	100,000,000
Mortgage loans
Line of Credit Facility [Line Items]
Mortgage loans held for sale	$ 207,900,000	$ 193,300,000