Annual report pursuant to Section 13 and 15(d)

Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidating Condensed Statement of Operations (Detail)

v3.8.0.1
Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidating Condensed Statement of Operations (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Income Statement [Abstract]                      
Total revenues $ 116,334 $ 118,308 $ 109,607 $ 98,271 $ 94,025 $ 97,189 $ 105,287 $ 130,503 $ 442,520 $ 427,004 $ 712,183
Operating expenses                 355,487 362,521 526,290
Depreciation and amortization                 122,373 139,795 156,194
Total operating gross margin (loss) (4,700) 121 (11,016) (19,745) (19,694) (21,965) (20,225) (13,428) (35,340) (75,312) 29,699
General and administration expense                 (25,676) (34,332) (36,190)
Provision for reduction in carrying value of certain assets                 (1,938) 0 (12,490)
Gain (loss) on disposition of assets, net                 (2,851) (1,613) 1,643
Total operating income (loss) (14,221) (6,815) (17,632) (27,137) (30,190) (29,576) (28,222) (23,269) (65,805) (111,257) (17,338)
Other income (expense):                      
Interest expense                 (44,226) (45,812) (45,155)
Interest income                 244 58 269
Loss on extinguishment of debt                   (1,088) 0
Other                 126 367 (9,747)
Equity in net earnings of subsidiaries                 0 0 0
Total other income (expense)                 (43,856) (45,387) (54,633)
Income (loss) before income taxes                 (109,661) (156,644) (71,971)
Current tax expense (benefit)                 9,264 5,108 19,604
Deferred tax expense (benefit)                 (224) 69,062 2,709
Total income tax expense (benefit)                 9,040 74,170 22,313
Net income (loss)                 (118,701) (230,814) (94,284)
Less: Net income attributable to noncontrolling interest                 0 0 789
Net income (loss) attributable to controlling interest (28,693) (20,311) (29,888) (39,809) (48,929) (46,228) (39,822) (95,835) (118,701) (230,814) (95,073)
Less: Mandatory convertible preferred stock dividend                 3,051 0 0
Net income (loss) available to common stockholders $ (29,599) $ (21,217) $ (31,127) $ (39,809) $ (48,929) $ (46,228) $ (39,822) $ (95,835) (121,752) (230,814) (95,073)
Reportable Legal Entities | Parent                      
Income Statement [Abstract]                      
Total revenues                 0 0 0
Operating expenses                 0 0 0
Depreciation and amortization                 0 0 0
Total operating gross margin (loss)                 0 0 0
General and administration expense                 (323) (410) (1,279)
Provision for reduction in carrying value of certain assets                   0  
Gain (loss) on disposition of assets, net                 0 0 0
Total operating income (loss)                 (323) (410) (1,279)
Other income (expense):                      
Interest expense                 (47,135) (48,160) (47,659)
Interest income                 831 758 1,424
Loss on extinguishment of debt                   (1,088) 0
Other                 0 0 0
Equity in net earnings of subsidiaries                 (40,752) (94,469) (36,631)
Total other income (expense)                 (87,056) (141,871) (82,866)
Income (loss) before income taxes                 (87,379) (142,281) (84,145)
Current tax expense (benefit)                 26,537 40,562 29,643
Deferred tax expense (benefit)                 4,785 47,971 (18,715)
Total income tax expense (benefit)                 31,322 88,533 10,928
Net income (loss)                 (118,701) (230,814) (95,073)
Less: Net income attributable to noncontrolling interest                 0 0 0
Net income (loss) attributable to controlling interest                 (118,701) (230,814) (95,073)
Less: Mandatory convertible preferred stock dividend                 3,051 0 0
Net income (loss) available to common stockholders                 (121,752) (230,814) (95,073)
Reportable Legal Entities | Guarantor                      
Income Statement [Abstract]                      
Total revenues                 168,490 152,263 254,182
Operating expenses                 94,546 103,013 143,563
Depreciation and amortization                 81,260 90,218 95,071
Total operating gross margin (loss)                 (7,316) (40,968) 15,548
General and administration expense                 (24,887) (29,355) (38,643)
Provision for reduction in carrying value of certain assets                   0 (2,088)
Gain (loss) on disposition of assets, net                 (247) (565) 439
Total operating income (loss)                 (32,450) (70,888) (24,744)
Other income (expense):                      
Interest expense                 (220) (642) (1,035)
Interest income                 744 695 852
Loss on extinguishment of debt                   0 0
Other                 71 484 (200)
Equity in net earnings of subsidiaries                 0 0 0
Total other income (expense)                 595 537 (383)
Income (loss) before income taxes                 (31,855) (70,351) (25,127)
Current tax expense (benefit)                 (22,494) (35,572) (22,970)
Deferred tax expense (benefit)                 (7,750) 14,846 11,718
Total income tax expense (benefit)                 (30,244) (20,726) (11,252)
Net income (loss)                 (1,611) (49,625) (13,875)
Less: Net income attributable to noncontrolling interest                 0 0 0
Net income (loss) attributable to controlling interest                 (1,611) (49,625) (13,875)
Less: Mandatory convertible preferred stock dividend                 0 0 0
Net income (loss) available to common stockholders                 (1,611) (49,625) (13,875)
Reportable Legal Entities | Non-Guarantor                      
Income Statement [Abstract]                      
Total revenues                 355,044 380,931 584,204
Operating expenses                 341,955 365,698 508,930
Depreciation and amortization                 41,113 49,577 61,123
Total operating gross margin (loss)                 (28,024) (34,344) 14,151
General and administration expense                 (466) (4,567) 3,732
Provision for reduction in carrying value of certain assets                 (1,938) 0 (10,402)
Gain (loss) on disposition of assets, net                 (2,604) (1,048) 1,204
Total operating income (loss)                 (33,032) (39,959) 8,685
Other income (expense):                      
Interest expense                 (7,906) (6,434) (11,579)
Interest income                 9,704 8,029 13,111
Loss on extinguishment of debt                   0 0
Other                 55 (117) (9,547)
Equity in net earnings of subsidiaries                 0 0 0
Total other income (expense)                 1,853 1,478 (8,015)
Income (loss) before income taxes                 (31,179) (38,481) 670
Current tax expense (benefit)                 5,221 118 12,931
Deferred tax expense (benefit)                 2,741 6,245 9,706
Total income tax expense (benefit)                 7,962 6,363 22,637
Net income (loss)                 (39,141) (44,844) (21,967)
Less: Net income attributable to noncontrolling interest                 0 0 789
Net income (loss) attributable to controlling interest                 (39,141) (44,844) (22,756)
Less: Mandatory convertible preferred stock dividend                 0 0 0
Net income (loss) available to common stockholders                 (39,141) (44,844) (22,756)
Eliminations                      
Income Statement [Abstract]                      
Total revenues                 (81,014) (106,190) (126,203)
Operating expenses                 (81,014) (106,190) (126,203)
Depreciation and amortization                 0 0 0
Total operating gross margin (loss)                 0 0 0
General and administration expense                 0 0 0
Provision for reduction in carrying value of certain assets                   0  
Gain (loss) on disposition of assets, net                 0 0 0
Total operating income (loss)                 0 0 0
Other income (expense):                      
Interest expense                 11,035 9,424 15,118
Interest income                 (11,035) (9,424) (15,118)
Loss on extinguishment of debt                   0 0
Other                 0 0 0
Equity in net earnings of subsidiaries                 40,752 94,469 36,631
Total other income (expense)                 40,752 94,469 36,631
Income (loss) before income taxes                 40,752 94,469 36,631
Current tax expense (benefit)                 0 0 0
Deferred tax expense (benefit)                 0 0 0
Total income tax expense (benefit)                 0 0 0
Net income (loss)                 40,752 94,469 36,631
Less: Net income attributable to noncontrolling interest                 0 0 0
Net income (loss) attributable to controlling interest                 40,752 94,469 36,631
Less: Mandatory convertible preferred stock dividend                 0 0 0
Net income (loss) available to common stockholders                 $ 40,752 $ 94,469 $ 36,631