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Fair Value Measurements Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Estimated Fair Value | $ 2,646,767 | $ 3,187,390
Assumed market return to liquidity | 5 years |
Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Assumptions used to estimate fair value, prepayment speed | 8.00% |
Assumptions used to estimate fair value, discount rate | 9.00% |
Fair Value, Measurements, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Estimated Fair Value | $ 2,646,767 | 3,187,390
Derivative assets | 167,468 | 161,243
Fair Value, Measurements, Recurring | Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Estimated Fair Value | 2,428,282 | 2,985,105
Derivative assets | 166,796 | 160,945
Fair Value, Measurements, Recurring | Level 3 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Estimated Fair Value | 0 | 74,667
Derivative assets | 0 | 0
Fair Value, Measurements, Recurring | Level 1 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Estimated Fair Value | 218,485 | 127,618
Derivative assets | 672 | 298
Fair Value, Measurements, Recurring | Foreign Exchange Contract | Level 1 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Total liabilities | 600 | 300
Fair Value, Measurements, Recurring | Foreign Exchange Contract | Level 1 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative assets | 700 | 300
Fair Value, Measurements, Recurring | Forward Commitments | Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative assets | 200 | 2,400
Total liabilities | 200 | 0
Fair Value, Measurements, Recurring | Interest Rate Swap | Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Other financial assets | 166,600 | 158,600
Total liabilities | 296,300 | 86,100
Corporate debt securities |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Estimated Fair Value | 422,309 | 386,133
Corporate debt securities | Fair Value, Measurements, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Estimated Fair Value | 422,309 | 386,133
Corporate debt securities | Fair Value, Measurements, Recurring | Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Estimated Fair Value | 422,309 | 386,133
Corporate debt securities | Fair Value, Measurements, Recurring | Level 3 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Estimated Fair Value | 0 | 0
Corporate debt securities | Fair Value, Measurements, Recurring | Level 1 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Estimated Fair Value | 0 | 0
Financial Institutions Subordinated Debt | Fair Value, Measurements, Recurring | Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Estimated Fair Value | 415,400 | 383,400
Other Corporate Debt | Fair Value, Measurements, Recurring | Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Estimated Fair Value | $ 6,900 | $ 2,800

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