Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Statements of Comprehensive Income (Loss)) (Details)

v3.10.0.1
CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Statements of Comprehensive Income (Loss)) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Condensed Financial Statements, Captions [Line Items]        
Net income (loss) $ 95,150 $ 18,235 $ 296,559 $ 278,626
Foreign currency translation adjustment 3,052 6,832 (5,815) 12,719
Other comprehensive income (loss) 3,052 6,832 (5,815) 12,719
Comprehensive income 98,202 25,067 290,744 291,345
Reportable legal entities | Parent        
Condensed Financial Statements, Captions [Line Items]        
Net income (loss) 95,150 18,235 296,559 278,626
Foreign currency translation adjustment 3,052 6,832 (5,815) 12,719
Other comprehensive income (loss) 3,052 6,832 (5,815) 12,719
Comprehensive income 98,202 25,067 290,744 291,345
Reportable legal entities | Guarantors        
Condensed Financial Statements, Captions [Line Items]        
Net income (loss) 91,370 56,490 354,406 156,231
Foreign currency translation adjustment 103 158 (70) 232
Other comprehensive income (loss) 103 158 (70) 232
Comprehensive income 91,473 56,648 354,336 156,463
Reportable legal entities | Non-Guarantor        
Condensed Financial Statements, Captions [Line Items]        
Net income (loss) (276) (297) (836) (872)
Foreign currency translation adjustment 2,949 6,674 (5,745) 12,487
Other comprehensive income (loss) 2,949 6,674 (5,745) 12,487
Comprehensive income 2,673 6,377 (6,581) 11,615
Eliminations        
Condensed Financial Statements, Captions [Line Items]        
Net income (loss) (91,094) (56,193) (353,570) (155,359)
Foreign currency translation adjustment (3,052) (6,832) 5,815 (12,719)
Other comprehensive income (loss) (3,052) (6,832) 5,815 (12,719)
Comprehensive income $ (94,146) $ (63,025) $ (347,755) $ (168,078)