Accounting Pronouncements Recently Issued or Adopted (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Jan. 01, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL	$ 8,760	$ 8,359	$ 7,599	$ 6,306
Deferred tax assets	1,604		867
Reserve for unfunded commitments	193	1,030	335	404
Total	8,953	9,389	7,934	6,710
Real estate loans:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL		7,075	5,613
Real estate loans: | One-to-four family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL	2,630	2,126	1,771	1,402
Real estate loans: | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL	185	201	132	93
Real estate loans: | Commercial and multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL	1,070	2,181	2,501	2,340
Real estate loans: | Construction and land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL	1,349	2,568	1,209	650
Consumer loans:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL		1,065	1,242
Consumer loans: | Manufactured homes
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL	971	282	462	475
Consumer loans: | Floating homes
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL	2,022	622	456	372
Consumer loans: | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL	426	161	324	310
Commercial business loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL	107	221	256	269
Unallocated Financing Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL	$ 0	$ (3)	488	$ 395
Impact of adoption of ASU No. 2016-13
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL			760
Deferred tax assets			305
Reserve for unfunded commitments			695
Total			1,455
Impact of adoption of ASU No. 2016-13 | Total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL			1,500
Impact of adoption of ASU No. 2016-13 | Real estate loans:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL			1,462
Impact of adoption of ASU No. 2016-13 | Real estate loans: | One-to-four family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL			355
Impact of adoption of ASU No. 2016-13 | Real estate loans: | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL			69
Impact of adoption of ASU No. 2016-13 | Real estate loans: | Commercial and multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL			(320)
Impact of adoption of ASU No. 2016-13 | Real estate loans: | Construction and land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL			1,359
Impact of adoption of ASU No. 2016-13 | Consumer loans:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL			(177)
Impact of adoption of ASU No. 2016-13 | Consumer loans: | Manufactured homes
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL			(180)
Impact of adoption of ASU No. 2016-13 | Consumer loans: | Floating homes
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL			166
Impact of adoption of ASU No. 2016-13 | Consumer loans: | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL			(163)
Impact of adoption of ASU No. 2016-13 | Commercial business loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL			(35)
Impact of adoption of ASU No. 2016-13 | Unallocated Financing Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial adjustment to ACL			(491)
Impact of adoption of ASU No. 2016-13 | Retained Earnings
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net decrease			$ 1,100