Condensed Financial Statements of Parent Company - Condensed Balance Sheets (Detail) - USD ($)	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Total Assets	$ 429,617,526	$ 380,942,147
Liabilities
Total liabilities	344,339,692	294,129,566
STOCKHOLDERS' EQUITY
Stockholders' equity	85,277,834	86,812,581	$ 39,858,288
Total liabilities and stockholders' equity	429,617,526	380,942,147
Parent Company
ASSETS
Cash and cash equivalents	18,456,000	19,855,000	$ 0
Investment in TC Federal Bank	63,524,000	63,251,000
Other Assets	3,642,000	3,735,000
Total Assets	85,622,000	86,841,000
Liabilities
Other Liabilities	344,000	28,000
Total liabilities	344,000	28,000
STOCKHOLDERS' EQUITY
Stockholders' equity	85,278,000	86,813,000
Total liabilities and stockholders' equity	$ 85,622,000	$ 86,841,000