v3.20.4

Financial Derivatives (Schedule of Derivative Activity) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Interest rate swaps |  |  |
Derivative [Line Items] |  |  |
Average Monthly Notional | $ 1,009,110 | $ 731,941 | $ 1,059,756
TBA securities |  |  |
Derivative [Line Items] |  |  |
Average Monthly Notional | 713,634 | 973,331 |
Credit default swaps |  |  |
Derivative [Line Items] |  |  |
Average Monthly Notional | 277,990 | 399,316 | 566,805
Total return swaps |  |  |
Derivative [Line Items] |  |  |
Average Monthly Notional | 6,975 | 39,434 | 53,603
Futures |  |  |
Derivative [Line Items] |  |  |
Average Monthly Notional | 149,538 | 167,708 | 201,295
Options |  |  |
Derivative [Line Items] |  |  |
Average Monthly Notional | 1,500 | 19,825 | 99,891
Forwards |  |  |
Derivative [Line Items] |  |  |
Average Monthly Notional | 26,413 | 30,930 | $ 45,522
Warrants |  |  |
Derivative [Line Items] |  |  |
Average Monthly Notional | $ 1,570 | $ 2,222 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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