Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Statements of Comprehensive Income (Loss)) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Sep. 30, 2019
Sep. 30, 2018
Condensed Financial Statements, Captions [Line Items]                
Net loss $ (48,752) $ 234,956 $ 62,242 $ 95,150 $ 111,319 $ 90,090 $ 248,446 $ 296,559
Foreign currency translation adjustment (2,064)     3,052     5,347 (5,815)
Other comprehensive (loss) income (2,064) $ 3,610 $ 3,801 3,052 $ (3,364) $ (5,503) 5,347 (5,815)
Comprehensive (loss) income (50,816)     98,202     253,793 290,744
Reportable legal entities | Parent                
Condensed Financial Statements, Captions [Line Items]                
Net loss (48,752)     95,150     248,446 296,559
Foreign currency translation adjustment (2,064)     3,052     5,347 (5,815)
Other comprehensive (loss) income (2,064)     3,052     5,347 (5,815)
Comprehensive (loss) income (50,816)     98,202     253,793 290,744
Reportable legal entities | Guarantors                
Condensed Financial Statements, Captions [Line Items]                
Net loss (18,396)     91,370     158,537 354,406
Foreign currency translation adjustment (43)     103     112 (70)
Other comprehensive (loss) income (43)     103     112 (70)
Comprehensive (loss) income (18,439)     91,473     158,649 354,336
Reportable legal entities | Non-Guarantors                
Condensed Financial Statements, Captions [Line Items]                
Net loss (322)     (276)     (820) (836)
Foreign currency translation adjustment (2,021)     2,949     5,235 (5,745)
Other comprehensive (loss) income (2,021)     2,949     5,235 (5,745)
Comprehensive (loss) income (2,343)     2,673     4,415 (6,581)
Eliminations                
Condensed Financial Statements, Captions [Line Items]                
Net loss 18,718     (91,094)     (157,717) (353,570)
Foreign currency translation adjustment 2,064     (3,052)     (5,347) 5,815
Other comprehensive (loss) income 2,064     (3,052)     (5,347) 5,815
Comprehensive (loss) income $ 20,782     $ (94,146)     $ (163,064) $ (347,755)