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Principal amount of transferred financial assets in which the transferor has continuing involvement with the assets underlying the transaction. Continuing involvement includes, but is not limited to, servicing, recourse, and restrictions on transferor's interests in transferred financial assets.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-4

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Amount of contractually specified servicing fee, late fee, and ancillary fee recognized as income for servicing asset and servicing liability.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 860
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481229/860-50-50-2

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The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Percentage of total assets less all liabilities and indebtedness not represented by senior security, to senior security representing indebtedness.

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-Name Investment Company Act of 1940
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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.

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-Topic 860
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
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Servicing Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
Servicing Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025	Sep. 30, 2025
Servicing Assets And Liabilities Fair Value [Line Items]
Gain (loss) on sales of loans, net	$ (13,684)	$ (15,671)	$ (30,959)	$ (29,247)
Minimum
Servicing Assets And Liabilities Fair Value [Line Items]
Asset coverage ratio						0.593%
Maximum
Servicing Assets And Liabilities Fair Value [Line Items]
Asset coverage ratio						0.633%
Prosper Funding LLC
Servicing Assets And Liabilities Fair Value [Line Items]
Gain (loss) on sales of loans, net	(13,684)	(15,671)	(30,959)	(29,247)
Prosper Funding LLC \| Minimum
Servicing Assets And Liabilities Fair Value [Line Items]
Asset coverage ratio						0.593%
Prosper Funding LLC \| Maximum
Servicing Assets And Liabilities Fair Value [Line Items]
Asset coverage ratio						0.633%
Servicing Assets
Servicing Assets And Liabilities Fair Value [Line Items]
Gain (loss) on sales of loans, net	4,700	3,400	9,000	6,200
Outstanding principle	4,100,000		$ 4,100,000		$ 3,800,000
Maturity term one, in months			24 months		24 months
Maturity term two, in months			36 months		36 months
Maturity term three, in months			48 months		48 months
Maturity term four, in months			60 months		60 months
Maturity term five, in months			72 months
Fixed interest rate, minimum (as a percent)			5.75%		5.75%
Fixed interest rate, maximum (as a percent)			33.00%		33.00%
Contractually specified servicing fees, late charges and ancillary fees	11,800	9,400	$ 23,300	19,500
Servicing Assets \| Prosper Funding LLC
Servicing Assets And Liabilities Fair Value [Line Items]
Gain (loss) on sales of loans, net	4,700	3,400	9,000	6,200
Outstanding principle	4,200,000		$ 4,200,000		$ 3,800,000
Maturity term one, in months			24 months		24 months
Maturity term two, in months			36 months		36 months
Maturity term three, in months			48 months		48 months
Maturity term four, in months			60 months		60 months
Maturity term five, in months			72 months
Fixed interest rate, minimum (as a percent)			5.75%		5.75%
Fixed interest rate, maximum (as a percent)			33.00%		33.00%
Contractually specified servicing fees, late charges and ancillary fees	$ 13,100	$ 11,600	$ 26,000	$ 23,300