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DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of Risk (Details)	3 Months Ended
	Mar. 31, 2025 lender
Concentration of Risk [Line Items]
Number of Lenders	2
Mortgage Loans Benchmark | Investor Concentration Risk | Investor 1
Concentration of Risk [Line Items]
Concentration risk, percentage	38.00%
Mortgage Loans Benchmark | Investor Concentration Risk | Investor 2
Concentration of Risk [Line Items]
Concentration risk, percentage	14.00%
Mortgage Loans Benchmark | Investor Concentration Risk | Investor 3
Concentration of Risk [Line Items]
Concentration risk, percentage	12.00%
Warehouse Lines of Credit Benchmark | Lender Concentration Risk | Lender 1
Concentration of Risk [Line Items]
Concentration risk, percentage	24.00%
Warehouse Lines of Credit Benchmark | Lender Concentration Risk | Lender 2
Concentration of Risk [Line Items]
Concentration risk, percentage	18.00%
California | Loan Originations Benchmark | Geographic Concentration Risk
Concentration of Risk [Line Items]
Concentration risk, percentage	17.00%

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Number of Lenders

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 954
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478785/954-310-50-2

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-42

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