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Securities - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Realized gain (losses) | $ 4 | $ 0 | $ (106) | $ (697) |
Equity investments | 104,132 |  | 104,132 |  | $ 100,163
Corporate debt securities |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized cost | 81,500 |  | 81,500 |  |
Fair value | 78,400 |  | 78,400 |  |
State, municipal, and sovereign debt obligations |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized cost | 60,500 |  | 60,500 |  |
Fair value | 58,600 |  | 58,600 |  |
Asset-backed securities |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized cost | 276,000 |  | 276,000 |  |
Fair value | $ 276,100 |  | $ 276,100 |  |

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