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Derivative Instruments (Details) $ in Millions |  | 3 Months Ended |
--- | --- | --- | ---
Sep. 13, 2018 USD ($) | Mar. 31, 2020 USD ($) instrument | Dec. 31, 2019 USD ($)
Derivative Instruments |  |  |
Number of Instruments used for trading | instrument |  | 0 |
Interest rate swap |  |  |
Derivative Instruments |  |  |
Notional Amount | $ | $ 165.0 | $ 150.6 | $ 152.6
Notional amount interest rate | 75.00% |  |
Notional amount adjustment | 75.00% |  |

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