Office Properties and Equipment (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Office Properties and Equipment
Total cost	$ 6,392,149	$ 6,969,105
Less: accumulated depreciation	3,980,727	4,058,936
Office properties and equipment, net	2,411,422	2,910,169
Depreciation expense	171,110	179,429
Land and improvements
Office Properties and Equipment
Total cost	677,041	963,991
Buildings and improvements
Office Properties and Equipment
Total cost	4,328,212	4,549,327
Furniture and equipment
Office Properties and Equipment
Total cost	$ 1,386,896	$ 1,455,787