Loans - Summary of Information Regarding Amortized Cost Bases of Collateral-Dependent Loans by Class of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Collateral Loan
Financing Receivable Recorded Investment Past Due [Line Items]
Total Nonaccrual	$ 4,864	$ 4,706
Multi-Family [Member] \| Collateral Loan
Financing Receivable Recorded Investment Past Due [Line Items]
Total Nonaccrual	0	0
Real estate loans [Member] \| One-To-Four Family [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Total Nonaccrual	1,090	254
Real estate loans [Member] \| Commercial [Member] \| Collateral Loan
Financing Receivable Recorded Investment Past Due [Line Items]
Total Nonaccrual	3,774	4,152
Commercial Loans [Member] \| Collateral Loan
Financing Receivable Recorded Investment Past Due [Line Items]
Total Nonaccrual	0	300
Consumer Loans [Member] \| Collateral Loan
Financing Receivable Recorded Investment Past Due [Line Items]
Total Nonaccrual	$ 0	$ 0

Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (3)
-Publisher SEC

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (2)
-Publisher SEC

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-7

Name:	us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant