Loans - Schedule of Credit Quality Indicators (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 901,827	$ 896,160
Real estate loans:
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	740,963	744,559
Real estate loans: | One-to-four family mortgage loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	269,684	279,448
Real estate loans: | Home equity loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	26,686	23,073
Real estate loans: | Commercial and multifamily mortgage loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	371,516	315,280
Real estate loans: | Construction and land
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	73,077	126,758
Consumer loans:
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	145,259	130,913
Consumer loans: | Manufactured homes
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	41,128	36,193
Consumer loans: | Floating homes
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	86,411	75,108
Consumer loans: | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	17,720	19,612
Commercial business
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 15,605	$ 20,688