Debt Securities - Debt Securities AFS - By Contractual Maturity (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Amortized Cost
Due in one year or less	$ 792,966
Due after one year through five years	4,799,235
Due after five years through ten years	11,918,642
Due after ten years	147,366
Subtotal	17,658,209
Mortgage-backed securities	9,078,650
Total, Amortized Cost	26,736,859	$ 27,880,997
Estimated Fair Value
Due in one year or less	785,657
Due after one year through five years	4,225,960
Due after five years through ten years	9,849,781
Due after ten years	121,629
Subtotal	14,983,027
Mortgage-backed securities	7,823,809
Total	$ 22,806,836	$ 23,947,775