SBA-GUARANTEED DEBENTURES - SBIC I Debenture (Details)	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Notes principal amount	$ 325,000,000
SBIC Subsidiary
Debt Instrument [Line Items]
Notes principal amount	$ 150,000,000
SBIC Subsidiary | Debt Instrument One March 1, 2025
Debt Instrument [Line Items]
Notes interest rate	2.52%
Notes principal amount	$ 6,500,000
Annual charge	0.36
SBIC Subsidiary | Debt Instrument Two March 1, 2025
Debt Instrument [Line Items]
Notes interest rate	2.52%
Notes principal amount	$ 6,500,000
Annual charge	0.36
SBIC Subsidiary | Debt Instrument Three March 1, 2025
Debt Instrument [Line Items]
Notes interest rate	2.52%
Notes principal amount	$ 3,250,000
Annual charge	0.36
SBIC Subsidiary | Debt Instrument September 1, 2025
Debt Instrument [Line Items]
Notes interest rate	2.83%
Notes principal amount	$ 9,750,000
Annual charge	0.36
SBIC Subsidiary | Debt Instrument One March 1, 2026
Debt Instrument [Line Items]
Notes interest rate	2.51%
Notes principal amount	$ 6,500,000
Annual charge	0.36
SBIC Subsidiary | Debt Instrument Two March 1, 2026
Debt Instrument [Line Items]
Notes interest rate	2.51%
Notes principal amount	$ 1,500,000
Annual charge	0.74
SBIC Subsidiary | Debt Instrument Three March 1, 2026
Debt Instrument [Line Items]
Notes interest rate	2.51%
Notes principal amount	$ 8,800,000
Annual charge	0.74
SBIC Subsidiary | Debt Instrument Four March 1, 2026
Debt Instrument [Line Items]
Notes interest rate	2.51%
Notes principal amount	$ 1,500,000
Annual charge	0.74
SBIC Subsidiary | Debt Instrument Five March 1, 2026
Debt Instrument [Line Items]
Notes interest rate	2.51%
Notes principal amount	$ 8,800,000
Annual charge	0.74
SBIC Subsidiary | Debt Instrument Six March 1, 2026
Debt Instrument [Line Items]
Notes interest rate	2.51%
Notes principal amount	$ 2,200,000
Annual charge	0.74
SBIC Subsidiary | Debt Instrument Seven March 1, 2026
Debt Instrument [Line Items]
Notes interest rate	2.51%
Notes principal amount	$ 9,700,000
Annual charge	0.74
SBIC Subsidiary | Debt Instrument March 1, 2028
Debt Instrument [Line Items]
Notes interest rate	3.19%
Notes principal amount	$ 25,000,000
Annual charge	0.22
SBIC Subsidiary | Debt Instrument One September 1, 2028
Debt Instrument [Line Items]
Notes interest rate	3.55%
Notes principal amount	$ 40,000,000
Annual charge	0.22
SBIC Subsidiary | Debt Instrument Two September 1, 2028
Debt Instrument [Line Items]
Notes interest rate	3.55%
Notes principal amount	$ 17,500,000
Annual charge	0.22
SBIC Subsidiary | Debt Instrument March 1, 2029
Debt Instrument [Line Items]
Notes interest rate	3.11%
Notes principal amount	$ 2,500,000
Annual charge	0.22