Segment Information - Revenue by Geographic Region (Table) (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
| Revenues From External Customers And Long Lived Assets [Line Items] |
|
|
|
| Revenue by geographic region |
$ 416,718
|
$ 482,449
|
$ 505,686
|
| Continuing and discontinued operations |
|
|
|
| Revenues From External Customers And Long Lived Assets [Line Items] |
|
|
|
| Revenue by geographic region |
416,718
|
482,449
|
517,739
|
| North America | Continuing and discontinued operations |
|
|
|
| Revenues From External Customers And Long Lived Assets [Line Items] |
|
|
|
| Revenue by geographic region |
0
|
2,259
|
4,248
|
| Australia | Continuing and discontinued operations |
|
|
|
| Revenues From External Customers And Long Lived Assets [Line Items] |
|
|
|
| Revenue by geographic region |
2,055
|
0
|
0
|
| Europe | Continuing and discontinued operations |
|
|
|
| Revenues From External Customers And Long Lived Assets [Line Items] |
|
|
|
| Revenue by geographic region |
132,582
|
179,009
|
142,688
|
| Asia | Continuing and discontinued operations |
|
|
|
| Revenues From External Customers And Long Lived Assets [Line Items] |
|
|
|
| Revenue by geographic region |
63,610
|
67,468
|
135,614
|
| South America | Continuing and discontinued operations |
|
|
|
| Revenues From External Customers And Long Lived Assets [Line Items] |
|
|
|
| Revenue by geographic region |
218,442
|
232,394
|
208,751
|
| Other | Continuing and discontinued operations |
|
|
|
| Revenues From External Customers And Long Lived Assets [Line Items] |
|
|
|
| Revenue by geographic region |
$ 28
|
$ 1,319
|
$ 26,438
|