Investments (Details) - USD ($)				1 Months Ended			4 Months Ended	12 Months Ended
	Aug. 11, 2021	Dec. 14, 2018	Dec. 14, 2018	Oct. 28, 2022	Aug. 31, 2021	Feb. 26, 2021	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2021	Jan. 27, 2023	Aug. 09, 2021	Dec. 31, 2018	Dec. 31, 2008	Jan. 31, 2008
Investments (Details) [Line Items]
Description of valuation model rate								●Default rate: 2.0%   ● Recovery rate: 35%-70%     ● Discount rate: 14.0%-22.0%     ● Prepayment rate: 20.0%     ● Reinvestment rate / price: $97.00 for eighteen months; then L+365bps / $99.00
Fair value investment, percentage								5.00%
Cash contributions							$ 100,974,715	$ 116,255,582	$ 100,974,715
Membership interest							12,000,000	13,100,000	12,000,000
Company earned								1,500,000
Interest income								$ 4,900,000	1,200,000	$ 3,500,000
Interest income							100,000
Unsecured percentage								7.00%
Purchased of fair value percentage								87.50%
Aggregate fair value							668,358,516	$ 828,028,800	668,358,516
Legal maturity date		January 2030
Additional an invested		$ 13,800,000				$ 14,000,000
Investment interest rate											0.10%
Related transaction costs								2,600,000
outstanding receivable					$ 2,600,000
Realized loss	$ 100,000							7,446,596	13,398,327	(8,703,806)
Percentage owned and managed	100.00%
Percentage of management fee	0.10%
Percentage subordinated management fee	0.40%
Percentage of excess cash flow		20.00%
Internal rate of return paid, percentage		12.00%
Management fee income								3,269,820	3,262,591	2,507,626
Investment principal balance							660,200,000	$ 645,600,000	$ 660,200,000
Weighted average spread percentage								3.80%	3.70%
Debt principal balance								$ 611,000,000	$ 611,000,000
Percentage of debt weighted average spread								2.20%	2.20%
Future cash flow amount								$ 21,200,000	$ 27,900,000
Discount rate								22.00%	15.00%
Additional investment										14,000,000				$ 13,800,000	$ 30,000,000
Received distributions								$ 77,700,000
Management fee								31,900,000
Investment fee								1,200,000
Total investment							654,965,044	819,966,208	$ 654,965,044
Incentive fees								6,800,000	6,400,000	5,400,000
Maximum [Member]
Investments (Details) [Line Items]
Aggregate principal amount		$ 500,000,000	$ 500,000,000
Minimum [Member]
Investments (Details) [Line Items]
Aggregate principal amount		300,000,000	300,000,000
The Class F-R-2 [Member]
Investments (Details) [Line Items]
Aggregate principal amount		2,500,000	2,500,000			2,500,000
Notes exchanged												$ 9,400,000
The Class G-R-2 [Member]
Investments (Details) [Line Items]
Aggregate principal amount		7,500,000	7,500,000			7,500,000
The Class F notes [Member]
Investments (Details) [Line Items]
Aggregate principal amount		4,500,000	4,500,000
The Class F-R-3 Notes [Member]
Investments (Details) [Line Items]
Aggregate fair value							9,400,000		9,400,000
Aggregate principal amount						17,900,000
Notes exchanged												17,900,000
The CLO 2013-1 [Member]
Investments (Details) [Line Items]
Aggregate principal amount						25,000,000
The Class F-1-R-3 Notes [Member]
Investments (Details) [Line Items]
Notes exchanged												$ 8,500,000
Realized loss	$ 100,000
The subordinated notes [Member]
Investments (Details) [Line Items]
Aggregate fair value							28,700,000		28,700,000
Aggregate principal amount								21,200,000
Management fee income										2,500,000
TJHA [Member]
Investments (Details) [Line Items]
Cash contributions								6,250,000
TJHA [Member]
Investments (Details) [Line Items]
Unsecured note								17,600,000	13,100,000
Membership interest							13,100,000	$ 17,600,000	13,100,000
TJHA [Member] | Maximum [Member]
Investments (Details) [Line Items]
Ownership percentage								87.50%
TJHA [Member] | Minimum [Member]
Investments (Details) [Line Items]
Ownership percentage								12.50%
Voting Interest in SLF JV [Member]
Investments (Details) [Line Items]
Ownership percentage								50.00%
SLF JV [Member]
Investments (Details) [Line Items]
Ownership percentage								50.00%
Interest income								$ 400,000
Class E [Member]
Investments (Details) [Line Items]
Purchased of fair value percentage				87.50%
Purchased of fair value per value				$ 12,250,000
Aggregate fair value							0	11,400,000	0
The Class F notes [Member]
Investments (Details) [Line Items]
Loan repaid			20,000,000
Saratoga CLO [Member]
Investments (Details) [Line Items]
Incentive fees									25,000,000
Saratoga CLO [Member] | Maximum [Member]
Investments (Details) [Line Items]
Cash contributions		500,000,000	500,000,000			650,000,000
Saratoga CLO [Member] | Minimum [Member]
Investments (Details) [Line Items]
Cash contributions		$ 300,000,000	$ 300,000,000			$ 500,000,000
CLO [Member]
Investments (Details) [Line Items]
Management fee income								3.3
Total investment							57,800,000		57,800,000	$ 14,000,000			$ 13,800,000		$ 30,000,000
Received distributions								72,800,000
Incentive fees								1,200,000
CLO [Member] | The Class F-R-3 Notes [Member]
Investments (Details) [Line Items]
Aggregate fair value								8,800,000
CLO [Member] | The subordinated notes [Member]
Investments (Details) [Line Items]
Management fee income								28,600,000	3,300,000
3M USD LIBOR plus [Member] | Maximum [Member]
Investments (Details) [Line Items]
Investment interest rate		10.00%	10.00%
3M USD LIBOR plus [Member] | Minimum [Member]
Investments (Details) [Line Items]
Investment interest rate		8.75%	8.75%
SLF JV [Member]
Investments (Details) [Line Items]
Cash contributions								$ 50,000,000
Fixed interest rate								10.00%
Unsecured note								$ 2,500,000	1,900,000
Membership interest							1,900,000	2,500,000	1,900,000
Investment unsecured note							13,100,000	17,600,000	13,100,000
Investment interests							$ 12,000,000	13,100,000	12,000,000
Collateralized loan obligation trust				$ 402,100,000
TJHA [Member]
Investments (Details) [Line Items]
Cash contributions								$ 43,750,000
Interest Income [Member]
Investments (Details) [Line Items]
Interest income									$ 100,000