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v3.24.2

Fair Value Measurements - Fair Values of Financial Assets and Liabilities, Including Derivative Financial Instruments (Details) $ in Thousands | Jun. 30, 2024 USD ($) | Dec. 31, 2023 USD ($)
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Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Estimated Fair Value | $ 2,283,262 | $ 2,411,622
Trading investments | 60,473 | $ 54,481
Level 3 | Valuation Technique, Discounted Cash Flow |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Estimated Fair Value | 3,107 |
Trading investments | 60,473 |
Total | $ 63,580 |
Level 3 | Valuation Technique, Discounted Cash Flow | Minimum | Measurement Input, Prepayment Rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities | 0.071 |
Residual Interests | 0.071 |
Level 3 | Valuation Technique, Discounted Cash Flow | Minimum | Measurement Input, Default Rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities | 0.040 |
Residual Interests | 0.040 |
Level 3 | Valuation Technique, Discounted Cash Flow | Maximum | Measurement Input, Prepayment Rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities | 0.111 |
Residual Interests | 0.111 |
Level 3 | Valuation Technique, Discounted Cash Flow | Maximum | Measurement Input, Default Rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities | 0.174 |
Residual Interests | 0.174 |
Level 3 | Valuation Technique, Discounted Cash Flow | Weighted Average | Measurement Input, Prepayment Rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities | 0.0849 |
Residual Interests | 0.0849 |
Level 3 | Valuation Technique, Discounted Cash Flow | Weighted Average | Measurement Input, Default Rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities | 0.1126 |
Residual Interests | 0.1126 |

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