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Investments - Schedule of Held To Maturity Securities by Contractual Maturity (Details) - USD ($)
Sep. 30, 2025
Dec. 31, 2024
Net Investment Income [Line Items]    
Cost or Amortized Cost $ 6,043,708 $ 7,047,342
Estimated Fair Value 5,174,675 5,959,265
Less than one year    
Net Investment Income [Line Items]    
Cost or Amortized Cost 0 499,719
Estimated Fair Value 0 499,065
One to five years    
Net Investment Income [Line Items]    
Cost or Amortized Cost 2,059,969 622,375
Estimated Fair Value 2,018,138 600,288
Five to ten years    
Net Investment Income [Line Items]    
Cost or Amortized Cost 0 1,427,579
Estimated Fair Value 0 1,323,600
More than 10 years    
Net Investment Income [Line Items]    
Cost or Amortized Cost 3,983,739 4,497,669
Estimated Fair Value $ 3,156,537 $ 3,536,312