Accounts Receivable, Net (Table) (Details) - USD ($) $ in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|---|---|---|---|---|
| ACCOUNTS RECEIVABLE,NET [Abstract] | ||||
| Accounts receivable | $ 69,694 | $ 68,309 | ||
| Less: Allowance for credit losses | (15,366) | (16,377) | $ (16,086) | $ (19,706) |
| Accounts receivable, net | $ 54,328 | $ 51,932 |