Loans Receivable and Allowance for Credit Losses - Schedule of Accounts, Notes, Loans and Financing Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 1,187,522		$ 1,182,310
ACL	15,606		15,227
Total Loans	1,171,916		1,167,083
One to Four Family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	481,593		474,180
Permanent owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	246,585		232,869
Permanent non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	235,008		241,311
Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	141,413		126,866
ACL	1,582	$ 1,607	1,210	$ 1,296	$ 1,455	$ 1,279
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	406,356		407,904
ACL	4,367	4,496	5,397	6,187	6,315	6,615
Construction Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	57,828		77,644
ACL	1,664	1,793	1,717	1,357	1,642	2,064
One-to-four family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	47,168		52,492
Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	547		15,393
Land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	10,113		9,759
Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	27,427		31,363
ACL	347	413	948	998	781	1,112
Prior
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	72,905		64,353
ACL	$ 2,072	$ 2,108	$ 1,912	$ 1,595	$ 1,491	$ 1,373