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Debt - Summary of Deferred Financing Costs Amortized into Interest and Financing Expenses (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Line of Credit Facility [Line Items] |  |
SBA debenture commitment fees | $ 3,250 | $ 3,000
SBA debenture leverage fees | 7,363 | 6,389
Credit Facility upfront fees | 4,417 | 4,417
Notes underwriting discounts | 5,005 | 5,005
Notes debt issue costs | 685 | 685
Total deferred financing costs | 20,720 | 19,496
Less: accumulated amortization | (11,336) | (9,720)
Unamortized deferred financing costs | 9,384 | 9,776
SBA Debentures |  |
Line of Credit Facility [Line Items] |  |
SBA debenture commitment fees | 3,250 | 3,000
SBA debenture leverage fees | 7,363 | 6,389
Total deferred financing costs | 10,613 | 9,389
Less: accumulated amortization | (5,424) | (4,865)
Unamortized deferred financing costs | 5,189 | 4,524
Credit Facility |  |
Line of Credit Facility [Line Items] |  |
Credit Facility upfront fees | 4,417 | 4,417
Total deferred financing costs | 4,417 | 4,417
Less: accumulated amortization | (3,260) | (3,037)
Unamortized deferred financing costs | 1,157 | 1,380
Notes |  |
Line of Credit Facility [Line Items] |  |
Notes underwriting discounts | 5,005 | 5,005
Notes debt issue costs | 685 | 685
Total deferred financing costs | 5,690 | 5,690
Less: accumulated amortization | (2,652) | (1,818)
Unamortized deferred financing costs | $ 3,038 | $ 3,872

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- Definition Debenture leverage fees. + References No definition available. + Details
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- Definition Debt issue costs. + References No definition available. + Details
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- Definition Deferred underwriting discounts. + References No definition available. + Details
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- Definition Deferred upfront fees. + References No definition available. + Details
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- Definition Amount of accumulated amortization of debt issuance costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-3 + Details
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- Definition Amount of the fee that accompanies borrowing money under the debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-3 + Details
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-3 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D + Details
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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/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 + Details
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