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Fair Value of Financial Instruments - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Securities |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value option elected aggregate carrying amount, asset |  | $ 8,000
Residential Consumer Loans |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value option elected aggregate carrying amount, asset | $ 2,340,000 |
Total Residential Investor Loans |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value option elected aggregate carrying amount, asset | 461,000 |
Originations | 454,362 |
HEIs |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Originations | $ 1,834 |

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