FAIR VALUE - Valuation Technique and Unobservable Inputs Used in the Valuation of Government Guaranteed Loans Held for Investment, at Fair Value (Details) $ in Thousands	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Government guaranteed loans held for investment, at fair value	$ 52,165	$ 27,078
Fair Value, Recurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Government guaranteed loans held for investment, at fair value	52,165	27,078
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Government guaranteed loans held for investment, at fair value	$ 52,165	27,078
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| Discontinued Operations, Held-for-sale \| Best efforts forward sales contracts \| Nationwide Residential Mortgage Loan Production Operations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivatives, net, at fair value		$ 0
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| Minimum \| Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Government guaranteed loans held for investment, measurement input	0.0727	0.0550
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| Minimum \| Conditional prepayment rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Government guaranteed loans held for investment, measurement input	0.0829	0.0866
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| Maximum \| Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Government guaranteed loans held for investment, measurement input	0.1077	0.1000
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| Maximum \| Conditional prepayment rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Government guaranteed loans held for investment, measurement input	0.0985	0.1015
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| Maximum \| Pull-through expectations \| Discontinued Operations, Held-for-sale \| Best efforts forward sales contracts \| Nationwide Residential Mortgage Loan Production Operations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivatives, net, measurement input		1.0000
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| Weighted Average \| Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Government guaranteed loans held for investment, measurement input	0.0855	0.0800
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| Weighted Average \| Conditional prepayment rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Government guaranteed loans held for investment, measurement input	0.0874	0.0895
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| Weighted Average \| Pull-through expectations \| Discontinued Operations, Held-for-sale \| Best efforts forward sales contracts \| Nationwide Residential Mortgage Loan Production Operations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivatives, net, measurement input		1.0000

Loans Receivable, Measurement Input

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- Definition

Value of input used to measure net derivative asset (liability).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-SubTopic 10
-Topic 815
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480463/815-10-45-5

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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

No definition available.

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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Publisher FASB
-URI https://asc.fasb.org//310-10/tableOfContent

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