v3.25.2
Fair Value Measurements - Summary of an Investments within Level 3 Based upon the Significance of Unobservable Inputs to the Overall Fair Value Measurement (Details) - Level 3 - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Investment, beginning balance $ 820,029,119 $ 741,500,691 $ 797,114,396 $ 721,539,980
Transfer in 5,526,488 [1] 0 [2] 0 [3] 0 [4]
Transfer out 0 [5] 0 [2] 0 [6] (8,864,477) [7]
Accretion/amortization of discounts/premiums 1,873,440 1,090,360 3,699,767 2,459,964
Interest paid-in-kind 1,561,406 1,264,063 2,418,701 3,334,048
Purchases 40,865,812 [8] 49,429,005 [9] 113,559,480 103,502,743 [10]
Sales, paydowns and resolutions (87,775,906) [8] (24,018,765) [9] (131,263,963) (52,348,312) [10]
Investment, ending balance 769,880,080 766,351,667 769,880,080 766,351,667
Change in net unrealized appreciation / (depreciation) on investments held (7,076,536) (3,208,751) (9,943,176) (3,666,783)
Realized Gain Loss [Member ]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Net change in unrealized appreciation/(depreciation) and Net realized gain/(loss) (9,543,694) 8,100,452 (9,569,645) 7,062,652
Unrealized Gain Loss [Member]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Net change in unrealized appreciation/(depreciation) and Net realized gain/(loss) (2,656,585) (11,014,139) (6,078,656) (10,334,931)
Secured loans [Member]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Investment, beginning balance   710,144,219 780,905,839 676,678,861
Transfer in   0 [2] 0 [3] 0 [4]
Transfer out   0 [2] 0 [6] (6,140,311) [7]
Accretion/amortization of discounts/premiums   1,090,360 3,699,767 2,459,964
Interest paid-in-kind   1,240,193 2,365,367 3,287,401
Purchases   49,353,408 [9] 95,464,438 102,889,809 [10]
Sales, paydowns and resolutions   (14,518,112) [9] (131,263,963) (32,957,252) [10]
Investment, ending balance 739,538,278 746,498,754 739,538,278 746,498,754
Change in net unrealized appreciation / (depreciation) on investments held   (682,079) (5,928,045) 631,897
Secured loans [Member] | Realized Gain Loss [Member ]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Net change in unrealized appreciation/(depreciation) and Net realized gain/(loss)   (342,726) (9,569,645) (1,178,119)
Secured loans [Member] | Unrealized Gain Loss [Member]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Net change in unrealized appreciation/(depreciation) and Net realized gain/(loss)   (468,588) (2,063,525) 1,458,401
Secured Loans and Debt [Member]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Investment, beginning balance 791,344,437      
Transfer in [1] 5,526,488      
Transfer out [5] 0      
Accretion/amortization of discounts/premiums 1,873,440      
Interest paid-in-kind 1,534,143      
Purchases [8] 36,746,280      
Sales, paydowns and resolutions [8] (87,775,906)      
Investment, ending balance 739,538,278   739,538,278  
Change in net unrealized appreciation / (depreciation) on investments held (4,586,861)      
Secured Loans and Debt [Member] | Realized Gain Loss [Member ]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Net change in unrealized appreciation/(depreciation) and Net realized gain/(loss) (9,543,694)      
Secured Loans and Debt [Member] | Unrealized Gain Loss [Member]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Net change in unrealized appreciation/(depreciation) and Net realized gain/(loss) (166,910)      
Unsecured debt        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Investment, beginning balance 6,334,487 0 0 0
Transfer in 0 [1] 0 [2] 0 [3] 0 [4]
Transfer out 0 [5] 0 [2] 0 [6] 0 [7]
Accretion/amortization of discounts/premiums 0 0 0 0
Interest paid-in-kind 0 0 0 0
Purchases 0 [8] 0 [9] 6,406,376 0 [10]
Sales, paydowns and resolutions 0 [8] 0 [9] 0 0 [10]
Investment, ending balance 6,334,487 0 6,334,487 0
Change in net unrealized appreciation / (depreciation) on investments held 0 0 (71,889) 0
Unsecured debt | Realized Gain Loss [Member ]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Net change in unrealized appreciation/(depreciation) and Net realized gain/(loss) 0 0 0 0
Unsecured debt | Unrealized Gain Loss [Member]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Net change in unrealized appreciation/(depreciation) and Net realized gain/(loss) 0 0 (71,889) 0
Equities [Member]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Investment, beginning balance 9,242,094 15,692,552 1,975,126 19,651,223
Transfer in 0 [1] 0 [2] 0 [3] 0 [4]
Transfer out 0 [5] 0 [2] 0 [6] (2,724,166) [7]
Accretion/amortization of discounts/premiums 0 0 0 0
Interest paid-in-kind 0 0 0 0
Purchases 4,044,695 [8] 0 [9] 11,504,264 474,538 [10]
Sales, paydowns and resolutions 0 [8] (9,500,653) [9] 0 9,500,653 [10]
Investment, ending balance 12,423,446 4,943,766 12,423,446 4,943,766
Change in net unrealized appreciation / (depreciation) on investments held (863,343) (1,672,432) (1,055,944) (3,144,182)
Equities [Member] | Realized Gain Loss [Member ]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Net change in unrealized appreciation/(depreciation) and Net realized gain/(loss) 0 8,443,178 0 8,443,178
Equities [Member] | Unrealized Gain Loss [Member]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Net change in unrealized appreciation/(depreciation) and Net realized gain/(loss) (863,343) (9,691,311) (1,055,944) (11,400,354)
Trust Interest        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Investment, beginning balance 1,445,347 2,307,893 1,424,586 2,285,446
Transfer in 0 [1] 0 [2] 0 [3] 0 [4]
Transfer out 0 [5] 0 [2] 0 [6] 0 [7]
Accretion/amortization of discounts/premiums 0 0 0 0
Interest paid-in-kind 27,263 23,870 53,334 46,647
Purchases 0 [8] 0 [9] 0 0 [10]
Sales, paydowns and resolutions 0 [8] 0 [9] 0 0 [10]
Investment, ending balance 1,467,056 1,883,704 1,467,056 1,883,704
Change in net unrealized appreciation / (depreciation) on investments held (5,554) (448,059) (10,864) (448,389)
Trust Interest | Realized Gain Loss [Member ]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Net change in unrealized appreciation/(depreciation) and Net realized gain/(loss) 0 0 0 0
Trust Interest | Unrealized Gain Loss [Member]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Net change in unrealized appreciation/(depreciation) and Net realized gain/(loss) (5,554) (448,059) (10,864) (448,389)
Real Estate Properties [Member]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Investment, beginning balance 11,662,754 13,356,027 12,808,845 22,924,450
Transfer in 0 [1] 0 [2] 0 [3] 0 [4]
Transfer out 0 [5] 0 [2] 0 [6] 0 [7]
Accretion/amortization of discounts/premiums 0 0 0 0
Interest paid-in-kind 0 0 0 0
Purchases 74,837 [8] 75,597 [9] 184,402 138,396 [10]
Sales, paydowns and resolutions 0 [8] 0 [9] 0 (9,890,407) [10]
Investment, ending balance 10,116,813 13,025,443 10,116,813 13,025,443
Change in net unrealized appreciation / (depreciation) on investments held (1,620,778) (406,181) (2,876,434) (706,109)
Real Estate Properties [Member] | Realized Gain Loss [Member ]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Net change in unrealized appreciation/(depreciation) and Net realized gain/(loss) 0 0 0 (202,407)
Real Estate Properties [Member] | Unrealized Gain Loss [Member]        
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]        
Net change in unrealized appreciation/(depreciation) and Net realized gain/(loss) $ (1,620,778) $ (406,181) $ (2,876,434) $ 55,411
[1] There was one investment transferred from level 2 to level 3 due to a lack of observable market data.
[2] There was no investment transferred in to or out from level 3.
[3] There was no investment transferred in to or out from level 3.
[4] There was no investment transferred in to level 3.
[5] There was no investment transferred out of level 3.
[6] Includes the effects of reorganizations, if any.
[7] Investment was transferred out from level 3 due to existence of significant observable inputs.
[8] Includes the effects of reorganizations, if any.
[9] Includes the effects of reorganizations, if any.
[10] Includes the effects of reorganizations, if any.