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Interest Rate Swap Contracts - Additional Information (Details) $ in Millions |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Apr. 15, 2020 USD ($) Derivative | Mar. 26, 2020 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Derivative Instruments Gain Loss [Line Items] |  |  |  |  |  |  |
Estimated loss to be reclassified from accumulated other comprehensive loss into interest expense |  |  |  |  | $ 1.0 |  |
Estimated period for transfer of loss to be reclassified from accumulated other comprehensive loss into interest expense |  |  |  |  | 12 months |  |
Interest Rate Swap [Member] |  |  |  |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |  |  |  |
Notional amount | $ 75.0 | $ 150.0 |  |  |  |  |
Fixed interest rate | 0.38% | 0.495% |  |  |  |  |
Maturity date | Apr. 01, 2024 | Apr. 01, 2024 |  |  |  |  |
Number of interest rate swap contracts | Derivative | 2 |  |  |  |  |  |
Fair value of contract, net asset |  |  | $ 0.2 |  | $ 0.2 |  | $ 0.2
Fair value of contract, net liability |  |  | 2.5 |  | 2.5 |  | $ 2.5
Net realized loss |  |  | $ 0.3 | $ 0.2 | $ 0.7 | $ 0.2 |

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