Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Schedule of Instruments Not Carried at Fair Value (Details)

v3.20.4
Fair Value Measurements - Schedule of Instruments Not Carried at Fair Value (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Long term debt, including current portion    
Carrying value $ 979,219 $ 986,444
Level 2 | Interest Rate Cap    
Long term debt, including current portion    
Carrying value 979,219 986,444
Fair value [1] $ 883,377 $ 857,717
[1] The fair value is based on market quotations from third-party financial institutions and is classified as Level 2 in the hierarchy.