Quarterly report pursuant to Section 13 or 15(d)

Fresh Start Accounting - Footnotes (Details)

v3.19.1
Fresh Start Accounting - Footnotes (Details) - USD ($)
 3 Months Ended
Mar. 31, 2019
Mar. 26, 2019
Jan. 22, 2014
Jul. 30, 2013
Fresh-Start Adjustment [Line Items]        
Net change in cash and cash equivalents $ 127,849,000      
Net change in other current assets 19,577,000      
Net change in other non-current assets 32,997,000      
Net change in accounts payable and accrued liabilities 135,583,000      
Liabilities subject to compromise 0      
Gain on settlement of liabilities subject to compromise (191,129,000)      
Net change in accumulated deficit 0      
Intangible assets, net 18,000,000      
Customer relationships        
Fresh-Start Adjustment [Line Items]        
Intangible assets, net 16,300,000      
Trade names        
Fresh-Start Adjustment [Line Items]        
Intangible assets, net 1,500,000      
Developed technology        
Fresh-Start Adjustment [Line Items]        
Intangible assets, net 200,000      
Predecessor        
Fresh-Start Adjustment [Line Items]        
Net change in cash and cash equivalents 51,777,000      
Net change in other current assets 31,944,000      
Net change in other non-current assets 38,045,000      
Net change in accounts payable and accrued liabilities 134,461,000      
Liabilities subject to compromise (600,996,000)      
Net change in predecessor capital in excess of par value 767,793,000      
Net change in successor common stock (1,398,000)      
Net change in accumulated deficit (681,246,000)      
Intangible assets, net 4,245,000      
Successor        
Fresh-Start Adjustment [Line Items]        
Net change in predecessor capital in excess of par value 342,650,000      
Net change in successor common stock (150,000)      
Intangible assets, net 4,245,000      
Successor | Customer relationships        
Fresh-Start Adjustment [Line Items]        
Intangible assets, net 0      
Successor | Trade names        
Fresh-Start Adjustment [Line Items]        
Intangible assets, net 368,000      
Successor | Developed technology        
Fresh-Start Adjustment [Line Items]        
Intangible assets, net 3,877,000      
Successor credit facility        
Fresh-Start Adjustment [Line Items]        
Aggregate principal amount 210,000,000 $ 210,000,000.0    
Debt instrument fixed interest rate   13.00%    
Predecessor 7.50% senior notes, due August 2020        
Fresh-Start Adjustment [Line Items]        
Aggregate principal amount       $ 225,000,000.0
Debt instrument fixed interest rate       7.50%
Predecessor 6.75% senior notes, due July 2022        
Fresh-Start Adjustment [Line Items]        
Aggregate principal amount     $ 360,000,000.0  
Debt instrument fixed interest rate     6.75%  
Reorganization Adjustments        
Fresh-Start Adjustment [Line Items]        
Proceeds from the rights offering 95,000,000      
Transfers from restricted cash for the return of cash collateral (for letters of credit) 10,433,000      
Proceeds from refund of backstop commitment fee 7,600,000      
Transfers from restricted cash for deposit releases 250,000      
Transfers to restricted cash for funding of professional fees (21,049,000)      
Payment of debtor in possession financing principal and interest (10,035,000)      
Payment of professional fees (5,154,000)      
Payment of debt issuance costs for the successor credit facility (490,000)      
Payment of fees on letters of credit (58,000)      
Payment of term loan agent fees (50,000)      
Payment of other reorganization expenses (375,000)      
Net change in cash and cash equivalents 76,072,000      
Refund of backstop commitment fee (7,600,000)      
Elimination of predecessor directors and officers insurance policies (702,000)      
Reclass of prepaid costs related to the successor credit facility (488,000)      
Payment of other costs related to the successor credit facility 26,000      
Net change in other current assets (8,764,000)      
Capitalization of debt issuance costs on the successor credit facility 765,000      
Reclass of prepaid costs related to the successor credit facility 488,000      
Net change in other non-current assets 1,253,000      
Accrual of professional fees 7,100,000      
Payment of professional fees (2,017,000)      
Payment of debtor in possession financing interest (35,000)      
Payment of letters of credit fees (58,000)      
Net change in accounts payable and accrued liabilities 4,990,000      
Liabilities subject to compromise 600,996,000      
Issuance of successor common stock to the 7.50% note holders and 6.75% note holders 175,058,000      
Excess fair value ascribed to lenders participating in equity rights offering 24,809,000      
Gain on settlement of liabilities subject to compromise 191,129,000      
Net change in predecessor capital in excess of par value 342,650,000      
Gain on settlement of liabilities subject to compromise 191,129,000      
Backstop premium on rights offering (11,032,000)      
Accrual of professional fees (5,988,000)      
Payment of professional fees (3,137,000)      
Elimination of predecessor directors and officers insurance policies (702,000)      
Payment of other reorganization items (400,000)      
Net change in accumulated deficit 169,870,000      
Intangible assets, net 0      
Reorganization Adjustments | Predecessor        
Fresh-Start Adjustment [Line Items]        
Cancellation of predecessor preferred stock 500,000      
Cancellation of predecessor preferred stock 1,398,000      
Issuance of successor warrants to predecessor common stock and predecessor preferred stock holders (14,687,000)      
Issuance of successor common stock to predecessor common stock and predecessor preferred stock holders (4,950,000)      
Excess fair value ascribed to parties participating in rights offering, excluding lenders (18,100,000)      
Net change in predecessor capital in excess of par value (35,839,000)      
Net change in successor common stock 1,398,000      
Reorganization Adjustments | Successor        
Fresh-Start Adjustment [Line Items]        
Net change in predecessor capital in excess of par value 342,650,000      
Issuance of successor common stock to the 7.50% note holders and 6.75% note holders 80,000      
Issuance of successor common stock pursuant to rights offering 68,000      
Issuance of successor common stock to predecessor common stock and predecessor preferred stock holders 2,000      
Net change in successor common stock (150,000)      
Issuance of successor common stock to the 7.50% note holders and 6.75% note holders 174,978,000      
Issuance of successor common stock pursuant to rights offering 148,874,000      
Issuance of successor warrants to predecessor common stock and predecessor preferred stock holders 14,687,000      
Issuance of successor common stock to predecessor common stock and predecessor preferred stock holders 4,948,000      
Equity issuance costs (837,000)      
Fresh Start Adjustments        
Fresh-Start Adjustment [Line Items]        
Net change in cash and cash equivalents 0      
Net change in other current assets (3,603,000)      
Net change in other non-current assets (6,301,000)      
Net change in accounts payable and accrued liabilities (3,868,000)      
Liabilities subject to compromise 0      
Net change in accumulated deficit 511,376,000      
Intangible assets, net 13,755,000      
Fair value adjustment to rig material and supplies (6,845,000)      
Fair value adjustment to investment in non-consolidated subsidiaries 2,290,000      
Fair value adjustment to long-term notes receivable (272,000)      
Elimination of capitalized mobilization costs (857,000)      
Elimination of long-term other deferred charges (617,000)      
Elimination of deferred rent (1,100,000)      
Elimination of deferred revenue (2,768,000)      
Net change in accounts payable and accrued liabilities (3,868,000)      
Fresh Start Adjustments | Predecessor        
Fresh-Start Adjustment [Line Items]        
Net change in predecessor capital in excess of par value (731,954,000)      
Net change in successor common stock 0      
Fresh Start Adjustments | Successor        
Fresh-Start Adjustment [Line Items]        
Net change in predecessor capital in excess of par value 0      
Net change in successor common stock $ 0