Quarterly report pursuant to Section 13 or 15(d)

Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidated Condensed Statement of Cash Flows (Detail)

v3.10.0.1
Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidated Condensed Statement of Cash Flows (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Sep. 30, 2018
Sep. 30, 2017
Cash flows from operating activities:                
Net income (loss) $ (70,951) $ (22,877) $ (28,796) $ (20,311) $ (29,888) $ (39,809) $ (122,624) $ (90,008)
Adjustments to reconcile net income (loss)                
Depreciation and amortization 27,520     30,067     83,205 93,251
(Gain) loss on disposition of assets, net             126 368
Deferred tax expense (benefit)             (546) (594)
Loss on impairment 43,990     0     43,990 0
Expenses not requiring cash             4,491 5,899
Equity in net earnings of subsidiaries 0     0     0 0
Change in assets and liabilities:                
Accounts and notes receivable             (15,646) (14,908)
Other assets             7,678 (325)
Accounts payable and accrued liabilities             (3,866) (18,520)
Accrued income taxes             (324) 431
Net cash provided by (used in) operating activities             (3,516) (24,406)
Cash flows from investing activities:                
Capital expenditures             (52,020) (44,836)
Proceeds from the sale of assets             1,031 322
Net cash provided by (used in) investing activities             (50,989) (44,514)
Cash flows from financing activities:                
Payments of debt issuance costs             (1,443) 0
Convertible preferred stock dividend             (3,625) (1,239)
Shares surrendered in lieu of tax             (248) (829)
Proceeds from the issuance of common stock             0 25,200
Proceeds from the issuance of convertible preferred stock             0 50,000
Payment of equity issuance costs             0 (2,864)
Net cash provided by (used in) financing activities             (5,316) 70,268
Net increase (decrease) in cash and cash equivalents             (59,821) 1,348
Cash and cash equivalents at beginning of period     141,549     119,691 141,549 119,691
Cash and cash equivalents at end of period 81,728     121,039     81,728 121,039
Reportable Legal Entities | Parent                
Cash flows from operating activities:                
Net income (loss) (70,951)     (20,311)     (122,624) (90,008)
Adjustments to reconcile net income (loss)                
Depreciation and amortization 0     0     0 0
(Gain) loss on disposition of assets, net             0 0
Deferred tax expense (benefit)             (6,129) (14,138)
Loss on impairment 0           0  
Expenses not requiring cash             3,660 4,479
Equity in net earnings of subsidiaries 57,588     8,172     85,039 45,774
Change in assets and liabilities:                
Accounts and notes receivable             0 0
Other assets             83,191 (34,318)
Accounts payable and accrued liabilities             (4,777) (57,275)
Accrued income taxes             7,478 76,281
Net cash provided by (used in) operating activities             (39,201) (69,205)
Cash flows from investing activities:                
Capital expenditures             0 0
Proceeds from the sale of assets             0 0
Net cash provided by (used in) investing activities             0 0
Cash flows from financing activities:                
Payments of debt issuance costs             (1,443)  
Convertible preferred stock dividend             (3,625) (1,239)
Shares surrendered in lieu of tax             (248) (829)
Proceeds from the issuance of common stock               25,200
Proceeds from the issuance of convertible preferred stock               50,000
Payment of equity issuance costs               (2,864)
Net cash provided by (used in) financing activities             (5,316) 70,268
Net increase (decrease) in cash and cash equivalents             (44,517) 1,063
Cash and cash equivalents at beginning of period     75,342     65,000 75,342 65,000
Cash and cash equivalents at end of period 30,825     66,063     30,825 66,063
Reportable Legal Entities | Guarantor                
Cash flows from operating activities:                
Net income (loss) (36,039)     (3,996)     (48,221) (28,283)
Adjustments to reconcile net income (loss)                
Depreciation and amortization 19,680     20,025     59,163 61,483
(Gain) loss on disposition of assets, net             (2) 242
Deferred tax expense (benefit)             6,503 12,217
Loss on impairment 34,209           34,209  
Expenses not requiring cash             536 (45)
Equity in net earnings of subsidiaries 0     0     0 0
Change in assets and liabilities:                
Accounts and notes receivable             (21,161) (18,515)
Other assets             (37,686) 26,426
Accounts payable and accrued liabilities             45,820 42,116
Accrued income taxes             (6,056) (57,261)
Net cash provided by (used in) operating activities             33,105 38,380
Cash flows from investing activities:                
Capital expenditures             (45,888) (35,301)
Proceeds from the sale of assets             67 26
Net cash provided by (used in) investing activities             (45,821) (35,275)
Cash flows from financing activities:                
Payments of debt issuance costs             0  
Convertible preferred stock dividend             0 0
Shares surrendered in lieu of tax             0 0
Proceeds from the issuance of common stock               0
Proceeds from the issuance of convertible preferred stock               0
Payment of equity issuance costs               0
Net cash provided by (used in) financing activities             0 0
Net increase (decrease) in cash and cash equivalents             (12,716) 3,105
Cash and cash equivalents at beginning of period     20,655     14,365 20,655 14,365
Cash and cash equivalents at end of period 7,939     17,470     7,939 17,470
Reportable Legal Entities | Non-Guarantor                
Cash flows from operating activities:                
Net income (loss) (21,549)     (4,176)     (36,818) (17,491)
Adjustments to reconcile net income (loss)                
Depreciation and amortization 7,840     10,042     24,042 31,768
(Gain) loss on disposition of assets, net             128 126
Deferred tax expense (benefit)             (920) 1,327
Loss on impairment 9,781           9,781  
Expenses not requiring cash             (8,872) 1,465
Equity in net earnings of subsidiaries 0     0     0 0
Change in assets and liabilities:                
Accounts and notes receivable             5,515 3,607
Other assets             (249,047) 7,567
Accounts payable and accrued liabilities             260,517 (3,361)
Accrued income taxes             (1,746) (18,589)
Net cash provided by (used in) operating activities             2,580 6,419
Cash flows from investing activities:                
Capital expenditures             (6,132) (9,535)
Proceeds from the sale of assets             964 296
Net cash provided by (used in) investing activities             (5,168) (9,239)
Cash flows from financing activities:                
Payments of debt issuance costs             0  
Convertible preferred stock dividend             0 0
Shares surrendered in lieu of tax             0 0
Proceeds from the issuance of common stock               0
Proceeds from the issuance of convertible preferred stock               0
Payment of equity issuance costs               0
Net cash provided by (used in) financing activities             0 0
Net increase (decrease) in cash and cash equivalents             (2,588) (2,820)
Cash and cash equivalents at beginning of period     45,552     40,326 45,552 40,326
Cash and cash equivalents at end of period 42,964     37,506     42,964 37,506
Eliminations                
Cash flows from operating activities:                
Net income (loss) 57,588     8,172     85,039 45,774
Adjustments to reconcile net income (loss)                
Depreciation and amortization 0     0     0 0
(Gain) loss on disposition of assets, net             0 0
Deferred tax expense (benefit)             0 0
Loss on impairment 0           0  
Expenses not requiring cash             9,167 0
Equity in net earnings of subsidiaries (57,588)     (8,172)     (85,039) (45,774)
Change in assets and liabilities:                
Accounts and notes receivable             0 0
Other assets             211,220 0
Accounts payable and accrued liabilities             (305,426) 0
Accrued income taxes             0 0
Net cash provided by (used in) operating activities             0 0
Cash flows from investing activities:                
Capital expenditures             0 0
Proceeds from the sale of assets             0 0
Net cash provided by (used in) investing activities             0 0
Cash flows from financing activities:                
Payments of debt issuance costs             0  
Convertible preferred stock dividend             0 0
Shares surrendered in lieu of tax             0 0
Proceeds from the issuance of common stock               0
Proceeds from the issuance of convertible preferred stock               0
Payment of equity issuance costs               0
Net cash provided by (used in) financing activities             0 0
Net increase (decrease) in cash and cash equivalents             0 0
Cash and cash equivalents at beginning of period     $ 0     $ 0 0 0
Cash and cash equivalents at end of period $ 0     $ 0     $ 0 $ 0