Fair Values of Financial Instruments - Schedule of Assets and Liabilities Measured at Fair Value on Non Recurring Basis (Details) - Fair Value Inputs Level 3 [Member] - Fair Value Measurements Non Recurring [Member] - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Real Estate Loan [Member] | One-To Four Family [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value Measurements Using Significant Unobservable Inputs (Level 3)	$ 13	$ 14
Real Estate Loan [Member] | Commercial Real Estate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value Measurements Using Significant Unobservable Inputs (Level 3)	0	90
Foreclosed Real Esate [Member] | One-To Four Family [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value Measurements Using Significant Unobservable Inputs (Level 3)	74	74
Foreclosed Real Esate [Member] | Commercial Real Estate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value Measurements Using Significant Unobservable Inputs (Level 3)	$ 0	$ 326