Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidating Condensed Statement of Operations (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Condensed Financial Statements [Line Items]    
Total revenues $ 98,271 $ 130,503
Operating expenses 85,814 108,117
Depreciation and amortization 32,202 35,814
Total operating gross margin (loss) (19,745) (13,428)
General and administration expense (7,040) (9,781)
Provision for reduction in carrying value of certain assets 0  
Gain (loss) on disposition of assets, net (352) (60)
Total operating income (loss) (27,137) (23,269)
Other income (expense):    
Interest expense (10,870) (11,562)
Interest income 10 7
Other 530 2,485
Equity in net earnings of subsidiaries 0 0
Total other income (expense) (10,330) (9,070)
Loss before income taxes (37,467) (32,339)
Income tax expense (benefit) 2,342 63,496
Deferred income tax expense (benefit) (642) 63,411
Net income (loss) (39,809) (95,835)
Net loss attributable to controlling interest (39,809) (95,835)
Preferred Stock Dividends, Income Statement Impact 0 0
Net Income (Loss) Available to Common Stockholders, Basic (39,809) (95,835)
Parent [Member]    
Condensed Financial Statements [Line Items]    
Total revenues 0 0
Operating expenses 0 0
Depreciation and amortization 0 0
Total operating gross margin (loss) 0 0
General and administration expense (78) (87)
Provision for reduction in carrying value of certain assets 0  
Gain (loss) on disposition of assets, net 0 0
Total operating income (loss) (78) (87)
Other income (expense):    
Interest expense (11,669) (11,857)
Interest income 149 204
Other 0 0
Equity in net earnings of subsidiaries (21,780) (16,225)
Total other income (expense) (33,300) (27,878)
Loss before income taxes (33,378) (27,965)
Income tax expense (benefit) 6,430 67,870
Deferred income tax expense (benefit) (5,641) 57,677
Net income (loss) (39,808) (95,835)
Net loss attributable to controlling interest (39,808)  
Preferred Stock Dividends, Income Statement Impact 0  
Net Income (Loss) Available to Common Stockholders, Basic (39,808)  
Guarantor [Member]    
Condensed Financial Statements [Line Items]    
Total revenues 27,893 47,382
Operating expenses 20,950 32,835
Depreciation and amortization 21,188 23,125
Total operating gross margin (loss) (14,245) (8,578)
General and administration expense (6,870) (9,613)
Provision for reduction in carrying value of certain assets 0  
Gain (loss) on disposition of assets, net (216) (56)
Total operating income (loss) (21,331) (18,247)
Other income (expense):    
Interest expense (45) (437)
Interest income 179 179
Other 32 485
Equity in net earnings of subsidiaries 0 0
Total other income (expense) 166 227
Loss before income taxes (21,165) (18,020)
Income tax expense (benefit) (5,577) (3,707)
Deferred income tax expense (benefit) 5,165 5,185
Net income (loss) (15,588) (14,313)
Net loss attributable to controlling interest (15,588)  
Preferred Stock Dividends, Income Statement Impact 0  
Net Income (Loss) Available to Common Stockholders, Basic (15,588)  
Non-Guarantor [Member]    
Condensed Financial Statements [Line Items]    
Total revenues 88,237 106,477
Operating expenses 82,723 98,638
Depreciation and amortization 11,014 12,689
Total operating gross margin (loss) (5,500) (4,850)
General and administration expense (92) (81)
Provision for reduction in carrying value of certain assets 0  
Gain (loss) on disposition of assets, net (136) (4)
Total operating income (loss) (5,728) (4,935)
Other income (expense):    
Interest expense (1,942) (2,859)
Interest income 2,468 3,215
Other 498 2,000
Equity in net earnings of subsidiaries 0 0
Total other income (expense) 1,024 2,356
Loss before income taxes (4,704) (2,579)
Income tax expense (benefit) 1,489 (667)
Deferred income tax expense (benefit) (166) 549
Net income (loss) (6,193) (1,912)
Net loss attributable to controlling interest (6,193)  
Preferred Stock Dividends, Income Statement Impact 0  
Net Income (Loss) Available to Common Stockholders, Basic (6,193)  
Consolidation, Eliminations [Member]    
Condensed Financial Statements [Line Items]    
Total revenues (17,859) (23,356)
Operating expenses (17,859) (23,356)
Depreciation and amortization 0 0
Total operating gross margin (loss) 0 0
General and administration expense 0 0
Provision for reduction in carrying value of certain assets 0  
Gain (loss) on disposition of assets, net 0 0
Total operating income (loss) 0 0
Other income (expense):    
Interest expense 2,786 3,591
Interest income (2,786) (3,591)
Other 0 0
Equity in net earnings of subsidiaries 21,780 16,225
Total other income (expense) 21,780 16,225
Loss before income taxes 21,780 16,225
Income tax expense (benefit) 0 0
Deferred income tax expense (benefit) 0 0
Net income (loss) 21,780 $ 16,225
Net loss attributable to controlling interest 21,780  
Preferred Stock Dividends, Income Statement Impact 0  
Net Income (Loss) Available to Common Stockholders, Basic $ 21,780