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Long-term Debt (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Debt Disclosure [Abstract]        
Write off of deferred finance costs     $ 4.3  
Amortization of deferred financing costs $ 0.1 $ 0.4 $ 0.5 $ 0.7