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Loans and Leases - Loan Modifications (Details) - Loans and leases held for investment: | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Interest Rate Reduction | Multi-family | Minimum |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-average contractual interest rate |  |  |  | 8.08%
Interest Rate Reduction | Multi-family | Maximum |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-average contractual interest rate |  |  |  | 6.00%
Interest Rate Reduction | Commercial real estate | Minimum |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-average contractual interest rate |  |  | 0.00% | 8.13%
Interest Rate Reduction | Commercial real estate | Maximum |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-average contractual interest rate |  |  | 0.00% | 7.00%
Interest Rate Reduction | One-to-four family first mortgage | Minimum |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-average contractual interest rate | 5.77% | 0.00% | 6.84% | 4.69%
Interest Rate Reduction | One-to-four family first mortgage | Maximum |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-average contractual interest rate | 4.77% | 0.00% | 5.37% | 3.70%
Interest Rate Reduction | Commercial and Industrial | Minimum |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-average contractual interest rate |  | 0.00% |  | 7.81%
Interest Rate Reduction | Commercial and Industrial | Maximum |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-average contractual interest rate |  | 0.00% |  | 6.10%
Interest Rate Reduction | Other | Minimum |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-average contractual interest rate | 9.93% |  | 10.06% | 10.73%
Interest Rate Reduction | Other | Maximum |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-average contractual interest rate | 6.88% |  | 5.75% | 4.30%
Term Extension | Multi-family |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-Average Term (in years) |  |  |  |
Term Extension | Commercial real estate |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-Average Term (in years) |  |  | 6 months |
Term Extension | One-to-four family first mortgage |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-Average Term (in years) | 11 years 4 months 24 days | 10 years 8 months 12 days | 8 years 4 months 24 days | 12 years 1 month 6 days
Term Extension | Commercial and Industrial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-Average Term (in years) |  | 1 year 10 months 24 days |  | 7 months 6 days
Term Extension | Other |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-Average Term (in years) | 13 years 1 month 6 days |  | 13 years 1 month 6 days | 1 year 9 months 18 days

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