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Schedule of Derivative Activity (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Interest Rate Swap [Member] |  |
Derivative [Line Items] |  |
Financial derivative average monthly notional | $ 554,067 | $ 651,793
TBA securities [Member] |  |
Derivative [Line Items] |  |
Financial derivative average monthly notional | 347,191 | 474,555
Futures [Member] |  |
Derivative [Line Items] |  |
Financial derivative average monthly notional | 70,250 | 114,277
Options Held [Member] |  |
Derivative [Line Items] |  |
Financial derivative average monthly notional | $ 0 | $ 1,492

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