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Fair Value Measurement - Carrying amounts and fair value (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Carrying Amount | Level 1 |  |
Fair Value Measurement |  |
Cash and cash equivalents | $ 11,172 | $ 18,066
Notes payable (listed) – fixed rate debt | 173,254 | 230,239
Investment securities | 1,429 | 1,517
Carrying Amount | Level 2 |  |
Fair Value Measurement |  |
Lines of credit and repurchase agreements – variable rate debt | 40,565 | 73,708
Carrying Amount | Level 3 |  |
Fair Value Measurement |  |
Loans held for investment, net | 361,740 | 356,571
Loans held for sale, net | 8,797 | 10,970
Interest and fees receivable and due from borrowers | 9,859 | 8,918
Investments in limited liability companies | 41,167 | 53,942
Advances from borrowers | 5,811 | 4,047
Senior secured notes payable | 90,000 | 0
Mortgage payable | 939 | 1,002
Fair Value Measurement | Level 1 |  |
Fair Value Measurement |  |
Cash and cash equivalents | 11,172 | 18,066
Notes payable (listed) – fixed rate debt | 162,449 | 194,810
Investment securities | 1,429 | 1,517
Fair Value Measurement | Level 2 |  |
Fair Value Measurement |  |
Lines of credit and repurchase agreements – variable rate debt | 40,565 | 73,708
Fair Value Measurement | Level 3 |  |
Fair Value Measurement |  |
Loans held for investment, net | 361,740 | 356,571
Loans held for sale, net | 8,797 | 10,970
Interest and fees receivable and due from borrowers | 9,859 | 8,918
Investments in limited liability companies | 41,167 | 53,942
Advances from borrowers | 5,811 | 4,047
Senior secured notes payable | 91,038 | 0
Mortgage payable | $ 939 | $ 1,002

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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