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Fair Value Measurements - Narrative (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 USD ($) | Mar. 31, 2023 USD ($) | Dec. 31, 2023 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Trading investments | $ 58,166 |  | $ 54,481
Gain (loss) debt securities | 2,000 | $ 2,000 |
Gain (loss) on investment | $ 2,000 | 2,000 |
Minimum | Measurement Input CPR Rate |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Measurement input | 0.071 |  |
Minimum | Measurement Input, Default Rate |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Measurement input | 0.051 |  |
Maximum | Measurement Input CPR Rate |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Measurement input | 0.111 |  |
Maximum | Measurement Input, Default Rate |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Measurement input | 0.207 |  |
Weighted Average | Measurement Input CPR Rate |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Measurement input | 0.0849 |  |
Weighted Average | Measurement Input, Default Rate |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Measurement input | 0.1103 |  |
Debt Securities, Trading |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Settlement debt securities | $ 2,000 | $ (1,000) |
Level 3 |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Trading investments | $ 58,000 |  | $ 54,000

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