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Securities - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items] |  |  |
Realized losses | $ 110 | $ 697 |
Equity investments | 103,201 |  | $ 100,163
Corporate debt securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized cost | 77,400 |  |
Fair value | 72,900 |  |
State, municipal, and sovereign debt obligations |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized cost | 60,800 |  |
Fair value | 59,000 |  |
Asset-backed securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized cost | 289,600 |  |
Fair value | $ 288,100 |  |

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