Borrowings - SBA-guaranteed Debentures, Narrative (Details) $ in Thousands	9 Months Ended
Sep. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
SBA-guaranteed debentures outstanding	$ 300,000	$ 300,000
Upfront fees percentage	0.03435
Commitment fee percentage	0.0100
Issuance discount percentage	0.02435
SBIC I
Debt Instrument [Line Items]
Regulatory capital	$ 75,000	75,000
SBA-guaranteed debentures outstanding	150,000	150,000
SBIC II
Debt Instrument [Line Items]
Regulatory capital	75,000	75,000
SBA-guaranteed debentures outstanding	$ 150,000	$ 150,000
SBA-guaranteed debentures
Debt Instrument [Line Items]
Term of debt	10 years
Debt instrument, variable interest rate, type [Extensible Enumeration]	Federal Home Loan Bank Of Chicago's Fixed Regular Advance Rate ("Bank Advance Rate") [Member]
Interest rate margin	0.41%

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- Definition

Guaranteed Debt, Commitment Fee

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- Definition

Guaranteed Debt, Issuance Discount

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- Definition

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- Definition

Small Business Association Regulation, Regulatory Capital, Actual

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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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.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Indicates type of variable interest rate on debt instrument.

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