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Loans Receivable and Allowance for Credit Losses - TDR Post-Modifications (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | $ 565 | $ 28,229 | $ 17,871 | $ 47,072 |
Commitment to lend | 6,400 |  | 6,400 |  | $ 5,000
Principal |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 565 | 28,229 | 9,678 | 29,898 |
Interest Rate Reduction |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 0 | 17,174 |
Other |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 8,193 | 0 |
Commercial lending |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 496 | 28,229 | 17,802 | 47,072 |
Commercial lending | Principal |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 496 | 28,229 | 9,609 | 29,898 |
Commercial lending | Interest Rate Reduction |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 0 | 17,174 |
Commercial lending | Other |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 8,193 | 0 |
Commercial lending | Commercial and industrial (“C&I”) |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 496 | 27,111 | 17,802 | 45,954 |
Commercial lending | Commercial and industrial (“C&I”) | Principal |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 496 | 27,111 | 9,609 | 28,780 |
Commercial lending | Commercial and industrial (“C&I”) | Interest Rate Reduction |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 0 | 17,174 |
Commercial lending | Commercial and industrial (“C&I”) | Other |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 8,193 | 0 |
Commercial lending | Real estate loan | Multifamily residential |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 1,118 | 0 | 1,118 |
Commercial lending | Real estate loan | Principal | Multifamily residential |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 1,118 | 0 | 1,118 |
Commercial lending | Real estate loan | Interest Rate Reduction | Multifamily residential |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 0 | 0 |
Commercial lending | Real estate loan | Other | Multifamily residential |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 0 | 0 |
Commercial lending | Total CRE |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 1,118 | 0 | 1,118 |
Commercial lending | Total CRE | Principal |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 1,118 | 0 | 1,118 |
Commercial lending | Total CRE | Interest Rate Reduction |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment |  | 0 | 0 | 0 |
Commercial lending | Total CRE | Other |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 0 | 0 |
Consumer lending |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 69 | 0 | 69 | 0 |
Consumer lending | Principal |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 69 | 0 | 69 | 0 |
Consumer lending | Interest Rate Reduction |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 0 | 0 |
Consumer lending | Other |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 0 | 0 |
Consumer lending | HELOCs |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 69 | 0 | 69 | 0 |
Consumer lending | HELOCs | Principal |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 69 | 0 | 69 | 0 |
Consumer lending | HELOCs | Interest Rate Reduction |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 0 | 0 |
Consumer lending | HELOCs | Other |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 0 | 0 |
Consumer lending | Total residential mortgage |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 69 | 0 | 69 | 0 |
Consumer lending | Total residential mortgage | Principal |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 69 | 0 | 69 | 0 |
Consumer lending | Total residential mortgage | Interest Rate Reduction |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 0 | 0 |
Consumer lending | Total residential mortgage | Other |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Post-modification outstanding recorded investment | $ 0 | $ 0 | $ 0 | $ 0 |

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