Loans - Schedule of Collateral Dependent Loans (Details) $ in Thousands	Dec. 31, 2023 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	$ 3,656
Real estate loans:
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	1,293
Real estate loans: | One-to-four family
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	1,209
Real estate loans: | Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	84
Consumer loans:
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	228
Consumer loans: | Manufactured homes
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	228
Commercial business loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	2,135
Commercial Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Commercial Real Estate | Real estate loans:
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Commercial Real Estate | Real estate loans: | One-to-four family
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Commercial Real Estate | Real estate loans: | Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Commercial Real Estate | Consumer loans:
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Commercial Real Estate | Consumer loans: | Manufactured homes
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Commercial Real Estate | Commercial business loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Residential Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	748
Residential Real Estate | Real estate loans:
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	748
Residential Real Estate | Real estate loans: | One-to-four family
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	664
Residential Real Estate | Real estate loans: | Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	84
Residential Real Estate | Consumer loans:
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Residential Real Estate | Consumer loans: | Manufactured homes
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Residential Real Estate | Commercial business loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Land
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Land | Real estate loans:
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Land | Real estate loans: | One-to-four family
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Land | Real estate loans: | Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Land | Consumer loans:
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Land | Consumer loans: | Manufactured homes
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Land | Commercial business loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Other Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	2,908
Other Residential | Real estate loans:
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	545
Other Residential | Real estate loans: | One-to-four family
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	545
Other Residential | Real estate loans: | Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Other Residential | Consumer loans:
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	228
Other Residential | Consumer loans: | Manufactured homes
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	228
Other Residential | Commercial business loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Individually Evaluated for Impairment	$ 2,135