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Loans - Activity in the Allowance for Credit Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | $ 41,247 | $ 41,648 | $ 40,152 | $ 40,161 | $ 40,161
Charge-offs | (2,024) | (3,110) | (9,352) | (3,179) | (7,969)
Recoveries | 934 | 74 | 1,286 | 231 |
Provision (benefit) | 1,680 | 1,730 | 9,751 | 3,129 |
Ending balance | 41,837 | 40,342 | 41,837 | 40,342 | 40,152
Multi-family residential |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | 12,445 | 10,829 | 13,145 | 10,373 | 10,373
Charge-offs | (420) |  | (2,101) |  |
Recoveries |  |  |  | 1 |
Provision (benefit) | (50) | 457 | 931 | 912 |
Ending balance | 11,975 | 11,286 | 11,975 | 11,286 | 13,145
Commercial real estate |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | 13,211 | 9,043 | 9,288 | 8,665 | 8,665
Charge-offs | (1,275) |  | (1,347) |  | (421)
Provision (benefit) | 1,118 | 90 | 5,113 | 468 |
Ending balance | 13,054 | 9,133 | 13,054 | 9,133 | 9,288
One-to-four family - mixed- use property |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | 1,678 | 1,577 | 1,623 | 1,610 | 1,610
Charge-offs | (20) |  | (20) |  |
Recoveries |  |  |  | 2 |
Provision (benefit) | (102) | (46) | (47) | (81) |
Ending balance | 1,556 | 1,531 | 1,556 | 1,531 | 1,623
One-to-four family - residential |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | 858 | 796 | 759 | 668 | 668
Charge-offs |  |  | (5) | (14) | (14)
Recoveries | 48 | 58 | 53 | 61 |
Provision (benefit) | 225 | (46) | 324 | 93 |
Ending balance | 1,131 | 808 | 1,131 | 808 | 759
Construction loans |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | 132 | 766 | 371 | 158 | 158
Provision (benefit) | 19 | (130) | (220) | 478 |
Ending balance | 151 | 636 | 151 | 636 | 371
Small Business Administration |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | 1,366 | 1,126 | 1,523 | 1,626 | 1,626
Charge-offs | (277) | (7) | (279) | (7) | (7)
Recoveries | 6 | 8 | 52 | 104 |
Provision (benefit) | (47) | 302 | (248) | (294) |
Ending balance | 1,048 | 1,429 | 1,048 | 1,429 | 1,523
Commercial business and other |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | 11,557 | 17,511 | 13,443 | 17,061 | 17,061
Charge-offs | (32) | (3,103) | (5,600) | (3,158) |
Recoveries | 880 | 8 | 1,181 | 63 |
Provision (benefit) | 517 | 1,103 | 3,898 | 1,553 |
Ending balance | $ 12,922 | $ 15,519 | $ 12,922 | $ 15,519 | $ 13,443

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 2: 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 + Details
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