PORTFOLIO INVESTMENTS AND FAIR VALUE - Geographical Concentration of Investment Portfolio (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 880,153,711	$ 902,143,550
Fair value of investments	$ 875,884,146	$ 874,460,683
% of Total Investments at fair value	100.00%	100.00%
Texas
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 182,450,677	$ 182,531,256
Fair value of investments	$ 174,944,018	$ 175,311,724
% of Total Investments at fair value	19.98%	20.04%
California
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 177,062,291	$ 175,207,692
Fair value of investments	$ 171,421,469	$ 167,713,589
% of Total Investments at fair value	19.58%	19.18%
Illinois
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 60,045,881	$ 58,633,617
Fair value of investments	$ 50,894,890	$ 49,834,429
% of Total Investments at fair value	5.81%	5.70%
Florida
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 92,637,917	$ 93,155,844
Fair value of investments	$ 91,343,527	$ 92,297,574
% of Total Investments at fair value	10.43%	10.55%
Pennsylvania
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 50,132,639	$ 49,939,315
Fair value of investments	$ 50,390,758	$ 50,188,102
% of Total Investments at fair value	5.75%	5.74%
Arizona
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 42,028,750	$ 42,136,322
Fair value of investments	$ 44,744,792	$ 44,558,279
% of Total Investments at fair value	5.11%	5.10%
Ohio
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 30,822,781	$ 31,805,370
Fair value of investments	$ 33,646,988	$ 34,370,277
% of Total Investments at fair value	3.84%	3.93%
Colorado
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 31,513,532	$ 31,525,420
Fair value of investments	$ 31,206,672	$ 30,971,079
% of Total Investments at fair value	3.56%	3.54%
Wisconsin
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 27,435,035	$ 27,452,444
Fair value of investments	$ 26,522,115	$ 26,190,771
% of Total Investments at fair value	3.03%	3.00%
New York
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 23,422,998	$ 14,692,043
Fair value of investments	$ 23,674,222	$ 14,931,263
% of Total Investments at fair value	2.70%	1.71%
Georgia
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 8,980,584	$ 9,100,050
Fair value of investments	$ 18,852,732	$ 18,885,409
% of Total Investments at fair value	2.15%	2.16%
Maryland
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 16,642,379	$ 16,676,194
Fair value of investments	$ 16,673,384	$ 16,718,728
% of Total Investments at fair value	1.90%	1.91%
District Of Columbia
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 12,977,879	$ 13,030,899
Fair value of investments	$ 14,593,727	$ 14,006,563
% of Total Investments at fair value	1.67%	1.60%
Indiana
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 14,248,007	$ 14,235,403
Fair value of investments	$ 14,574,345	$ 14,488,700
% of Total Investments at fair value	1.66%	1.66%
North Carolina
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 13,874,098	$ 13,891,930
Fair value of investments	$ 14,574,288	$ 14,532,532
% of Total Investments at fair value	1.66%	1.66%
Canada
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 12,918,902	$ 8,700,383
Fair value of investments	$ 13,073,546	$ 8,813,132
% of Total Investments at fair value	1.49%	1.01%
New Jersey
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 10,367,749	$ 10,461,226
Fair value of investments	$ 11,209,346	$ 11,191,295
% of Total Investments at fair value	1.28%	1.28%
Michigan
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 10,648,342	$ 10,664,100
Fair value of investments	$ 10,737,806	$ 10,736,783
% of Total Investments at fair value	1.23%	1.23%
Massachusetts
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 10,136,009	$ 10,151,621
Fair value of investments	$ 10,524,233	$ 10,515,487
% of Total Investments at fair value	1.20%	1.20%
Tennessee
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 9,374,549	$ 9,390,657
Fair value of investments	$ 9,472,333	$ 9,379,311
% of Total Investments at fair value	1.08%	1.07%
Missouri
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 8,841,548	$ 8,862,512
Fair value of investments	$ 8,869,635	$ 8,850,162
% of Total Investments at fair value	1.01%	1.01%
Idaho
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 8,409,110	$ 8,405,946
Fair value of investments	$ 8,470,065	$ 8,470,065
% of Total Investments at fair value	0.97%	0.97%
Washington
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 8,276,815	$ 24,321,085
Fair value of investments	$ 8,307,038	$ 24,540,695
% of Total Investments at fair value	0.95%	2.81%
Minnesota
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 6,131,212	$ 5,976,818
Fair value of investments	$ 6,147,514	$ 5,907,639
% of Total Investments at fair value	0.70%	0.68%
Louisiana
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 5,400,699	$ 5,538,823
Fair value of investments	$ 5,488,625	$ 5,536,231
% of Total Investments at fair value	0.63%	0.63%
South Carolina
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 4,938,543	$ 4,946,375
Fair value of investments	$ 5,079,139	$ 5,083,862
% of Total Investments at fair value	0.58%	0.58%
United Kingdom
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 434,785	$ 20,710,205
Fair value of investments	$ 446,939	$ 437,002
% of Total Investments at fair value	0.05%	0.05%