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Investment (Summary of Held-to-Maturity Debt Securities by Contractual Maturity) (Details)
Dec. 31, 2022
USD ($)
Amortized cost basis  
Due within one year $ 5,010,628
Due after one year through five years 9,890,533
Amortized cost basis 14,901,161
Fair Value  
Due within one year 5,003,216
Due after one year through five years 9,858,995
Fair Value $ 14,862,211