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Investment Securities - Debt Securities, Held to Maturity, Credit Quality Indicator (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | $ 991,937 | $ 1,103,170
Asset-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 471,996 | 575,990
Agency-guaranteed residential mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 6,880 | 7,039
Agency-guaranteed commercial mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 1,770 | 1,850
Agency-guaranteed residential collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 169,754 | 186,636
Agency-guaranteed commercial collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 158,320 | 146,765
Private label collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 183,217 | $ 184,890
AAA |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 99,589 |
AAA | Asset-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
AAA | Agency-guaranteed residential mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
AAA | Agency-guaranteed commercial mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
AAA | Agency-guaranteed residential collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
AAA | Agency-guaranteed commercial collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
AAA | Private label collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 99,589 |
AA |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 9,309 |
AA | Asset-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
AA | Agency-guaranteed residential mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
AA | Agency-guaranteed commercial mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
AA | Agency-guaranteed residential collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
AA | Agency-guaranteed commercial collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
AA | Private label collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 9,309 |
Not Rated |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 883,039 |
Not Rated | Asset-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 471,996 |
Not Rated | Agency-guaranteed residential mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 6,880 |
Not Rated | Agency-guaranteed commercial mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 1,770 |
Not Rated | Agency-guaranteed residential collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 169,754 |
Not Rated | Agency-guaranteed commercial collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 158,320 |
Not Rated | Private label collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | $ 74,319 |

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