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Debt - Narrative (Details) $ in Thousands	1 Months Ended					9 Months Ended
Debt - Narrative (Details) $ in Thousands	Aug. 31, 2025 USD ($)	Jun. 30, 2025 USD ($)	May 31, 2025 USD ($)	Apr. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)	Sep. 30, 2025 USD ($)	Jul. 31, 2025 USD ($)	Jan. 31, 2025 USD ($)	Oct. 31, 2024 USD ($)	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)	Apr. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Feb. 28, 2024 USD ($)
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity						$ 1,855,300
Warehouse Facility 4 \| Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						2.15%
Warehouse Facility 4 \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						5.50%
Digital Asset Loan Facility
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				13.50%
Warehouse Facility 10
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						2.35%
Warehouse Facility 11 \| Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						1.75%
Warehouse Facility 11 \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						2.00%
FCC Certificates
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						0.50%
Debt issued						$ 1,200
Democratized Price YLDS
Debt Instrument [Line Items]
Debt issued						$ 17,800
Revolving Credit Facility \| Warehouse Facility 2
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 150,000		$ 250,000
Debt instrument, basis spread on variable rate			2.30%
Revolving Credit Facility \| Warehouse Facility 2 \| Minimum
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity														$ 100,000
Debt instrument, basis spread on variable rate					3.00%
Revolving Credit Facility \| Warehouse Facility 2 \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					4.00%
Revolving Credit Facility \| Warehouse Facility 3 \| Maximum
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity												$ 200,000
Revolving Credit Facility \| Warehouse Facility 4
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity								$ 335,300					$ 237,500
Revolving Credit Facility \| Warehouse Facility 4 \| Common Class A
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity													200,000
Revolving Credit Facility \| Warehouse Facility 4 \| Common Class B
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity													$ 37,500
Revolving Credit Facility \| REIT Warehouse
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 200,000								$ 150,000
Debt exit fee percentage	0.15%
Debt exit fee (not to exceed)	$ 500
Revolving Credit Facility \| REIT Warehouse \| Minimum
Debt Instrument [Line Items]
Aggregate outstanding purchase price for mortgage loans during pricing period greater than or equal	$ 100,000
Aggregate outstanding purchase price for mortgage loans during pricing period greater than or equals percentage	0.0300
Revolving Credit Facility \| REIT Warehouse \| Maximum
Debt Instrument [Line Items]
Aggregate outstanding purchase price for mortgage loans during pricing period less than	$ 100,000
Aggregate outstanding purchase price for mortgage loans during pricing period less than, percentage	3.50%
Revolving Credit Facility \| MSR Financing
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity											$ 30,000
Revolving Credit Facility \| Lender 1
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity										$ 40,000
Revolving Credit Facility \| Digital Asset Loan Facility
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				100.00%
Revolving Credit Facility \| Digital Asset Loan Facility \| Minimum
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity				$ 30,000
Revolving Credit Facility \| Digital Asset Loan Facility \| Maximum
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity				50,000
Revolving Credit Facility \| Warehouse Facility 10
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity				$ 300,000
Debt instrument, basis spread on variable rate		2.00%		2.35%
Line of credit facility, committed borrowing capacity				$ 1,000
Revolving Credit Facility \| Warehouse Facility 10 \| Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.75%
Revolving Credit Facility \| Warehouse Facility 10 \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		3.75%
Revolving Credit Facility \| Warehouse Facility 11
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 100,000					$ 200,000
Revolving Credit Facility-Upsize Option \| Warehouse Facility 11
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 200,000