Accounts Receivable, Net - Provisions For Doubtful Accounts (Table) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
ACCOUNTS RECEIVABLE,NET [Abstract]      
Balance at Beginning of Period $ (16,377) $ (16,086) $ (19,706)
Charges to Costs and Expenses (541) (999) (575)
Amount Utilized 1,552 708 4,195
Balance at End of Period $ (15,366) $ (16,377) $ (16,086)