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Loans Receivable and Allowance for Credit Losses - Schedule Of Amortized Cost Of Loans On Nonaccrual Status With No Related Allowance For Loan Losses (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related ALLL | $ 73,874 | $ 116,776
Commercial lending |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related ALLL | 61,882 | 95,117
Commercial lending | C&I |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related ALLL | 33,625 | 79,591
Commercial lending | CRE |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related ALLL | 19,360 | 0
Commercial lending | Multifamily residential |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related ALLL | 0 | 4,210
Commercial lending | Construction and land |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related ALLL | 8,897 | 11,316
Consumer lending |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related ALLL | 11,992 | 21,659
Consumer lending | Single-family residential |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related ALLL | 7,195 | 6,279
Consumer lending | Home equity lines of credit (“HELOCs”) |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related ALLL | $ 4,797 | $ 15,380

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