Loans - Narrative, Collateral-Dependent Loans (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-dependent impaired loans	$ 15,900	$ 8,400
Collateral securing loans	0
Real estate loans: \| Commercial mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-dependent impaired loans	11,300
Real estate loans: \| Multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-dependent impaired loans	2,800
Real estate loans: \| Commercial and industrial loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-dependent impaired loans	839
Real estate loans: \| One-to-four family residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-dependent impaired loans	$ 949

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-Name Accounting Standards Codification
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-Paragraph 13
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

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