v3.26.1
Loans Held for Investment, Net - Summary of Geographic Concentration of Loans Held for Investment (Details) - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal $ 412,125,652  
Percentage of Loans Held for Investment 100.00% 100.00%
Illinois [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal $ 8,112,025  
Percentage of Loans Held for Investment 2.00%  
Ohio [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal $ 48,369,208  
Percentage of Loans Held for Investment 11.70%  
Florida [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal $ 20,835,799  
Percentage of Loans Held for Investment 5.10%  
Michigan [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal $ 3,084,858  
Percentage of Loans Held for Investment 0.70%  
Pennsylvania [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal $ 14,576,987  
Percentage of Loans Held for Investment 3.50%  
Arizona [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal $ 6,626,809  
Percentage of Loans Held for Investment 1.60%  
California [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal $ 24,417,992  
Percentage of Loans Held for Investment 5.90%  
Missouri [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal $ 12,537,130  
Percentage of Loans Held for Investment 3.00%  
New York [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal $ 20,555,804  
Percentage of Loans Held for Investment 5.00%  
West Virginia [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal $ 8,491,943  
Percentage of Loans Held for Investment 2.10%  
Nevada [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal $ 2,003,251  
Percentage of Loans Held for Investment 0.50%  
Credit Quality Indicators [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 412,125,652 $ 411,075,088
Percentage of Loans Held for Investment 100.00% 100.00%
Credit Quality Indicators [Member] | Illinois [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 85,272,862 $ 76,736,737
Percentage of Loans Held for Investment 21.00% 19.00%
Credit Quality Indicators [Member] | Ohio [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 66,516,744 $ 65,865,842
Percentage of Loans Held for Investment 16.00% 16.00%
Credit Quality Indicators [Member] | Florida [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 63,648,865 $ 56,317,033
Percentage of Loans Held for Investment 15.00% 14.00%
Credit Quality Indicators [Member] | Michigan [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 13,133,606 $ 31,237,041
Percentage of Loans Held for Investment 3.00% 8.00%
Credit Quality Indicators [Member] | Pennsylvania [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 45,458,520 $ 46,114,129
Percentage of Loans Held for Investment 11.00% 11.00%
Credit Quality Indicators [Member] | Arizona [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 27,880,772 $ 26,326,748
Percentage of Loans Held for Investment 7.00% 6.00%
Credit Quality Indicators [Member] | California [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 37,520,363 $ 27,316,846
Percentage of Loans Held for Investment 9.00% 7.00%
Credit Quality Indicators [Member] | Missouri [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 15,129,721 $ 26,139,970
Percentage of Loans Held for Investment 4.00% 6.00%
Credit Quality Indicators [Member] | New York [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 20,555,804 $ 22,068,401
Percentage of Loans Held for Investment 5.00% 5.00%
Credit Quality Indicators [Member] | Canada [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 16,211,500  
Percentage of Loans Held for Investment 4.00%  
Credit Quality Indicators [Member] | Other [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1],[2] $ 2,389,657 $ 2,360,539
Percentage of Loans Held for Investment [2] 1.00% 1.00%
Credit Quality Indicators [Member] | West Virginia [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 8,491,943 $ 8,491,943
Percentage of Loans Held for Investment 2.00% 2.00%
Credit Quality Indicators [Member] | Massachusetts [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 4,743,161 $ 731,146
Percentage of Loans Held for Investment 1.00%  
Credit Quality Indicators [Member] | Texas [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 2,123,876 $ 2,335,787
Percentage of Loans Held for Investment 1.00% 1.00%
Credit Quality Indicators [Member] | Maryland [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1]   $ 1,312,711
Credit Quality Indicators [Member] | Nevada [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 2,579,122 225,199
Percentage of Loans Held for Investment 1.00%  
Credit Quality Indicators [Member] | Oregon [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 310,107 193,286
Credit Quality Indicators [Member] | Minnesota [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1] $ 159,029 101,730
Credit Quality Indicators [Member] | Nebraska [Member]    
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]    
Outstanding Principal [1]   $ 17,200,000
Percentage of Loans Held for Investment   4.00%
[1] The principal balance of the loans not secured by real estate collateral are included in the jurisdiction representing the borrower's principal place of business.
[2] Represents Connecticut, Washington, and New Jersey