Quarterly report pursuant to Section 13 or 15(d)

Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidating Condensed Balance Sheet (Detail)

v3.7.0.1
Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidating Condensed Balance Sheet (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Jun. 30, 2016
Dec. 31, 2015
Current assets:        
Cash and cash equivalents $ 146,234 $ 119,691 $ 109,034 $ 134,294
Accounts and notes receivable, net 120,070 113,231    
Rig materials and supplies 35,270 32,354    
Other current assets 25,708 21,042    
Total current assets 327,282 286,318    
Property, plant and equipment, net 667,042 693,439    
Goodwill 6,708 6,708    
Intangible assets, net 8,470 9,928    
Investment in subsidiaries and intercompany advances 0 0    
Other noncurrent assets 112,604      
Deferred Income Taxes and Other Assets, Noncurrent   107,158    
Total assets 1,122,106 1,103,551    
Current liabilities:        
Deferred tax liability 77,221 69,333    
Total liabilities 778,311 764,416    
Total equity 343,795 339,135    
Total liabilities and stockholders’ equity 1,122,106 1,103,551    
Accounts payable and accrued liabilities 106,303 98,841    
Accrued income taxes 5,136 4,080    
Intercompany Payables 0 0    
Liabilities, Current 111,439 102,921    
Long-term Debt, Excluding Current Maturities 577,133 576,326    
Other long-term liabilities 12,518 15,836    
Common Stock, $0.16 2/3 par value, 280,000,000 shares authorized; 137,578,742 shares issued and outstanding (125,118,365 shares in 2016) 23,026 20,837    
Capital in excess of par value 745,145 675,194    
Accumulated deficit (419,749) (350,052)    
Accumulated other comprehensive income (loss) (5,127) (6,844)    
Stockholders' Equity Attributable to Parent 343,795 339,135    
Parent [Member]        
Current assets:        
Cash and cash equivalents 89,006 65,000 55,280 73,985
Accounts and notes receivable, net 0 0    
Rig materials and supplies 0 0    
Other current assets 0 (50,296)    
Total current assets 89,006 14,704    
Property, plant and equipment, net (19) (19)    
Goodwill 0 0    
Intangible assets, net 0 0    
Investment in subsidiaries and intercompany advances 2,950,669 2,979,413    
Other noncurrent assets (168,681)      
Deferred Income Taxes and Other Assets, Noncurrent   (253,679)    
Total assets 2,870,975 2,740,419    
Current liabilities:        
Deferred tax liability 77,221 (28)    
Total liabilities 2,525,014 2,397,402    
Total equity 345,961 343,017    
Total liabilities and stockholders’ equity 2,870,975 2,740,419    
Accounts payable and accrued liabilities (47,834) (10,080)    
Accrued income taxes 69,506 0    
Intercompany Payables 1,846,121 1,828,317    
Liabilities, Current 21,672 (10,080)    
Long-term Debt, Excluding Current Maturities 577,133 576,326    
Other long-term liabilities 2,867 2,867    
Guarantor [Member]        
Current assets:        
Cash and cash equivalents 16,558 14,365 12,192 13,854
Accounts and notes receivable, net 29,544 15,749    
Rig materials and supplies (4,813) (5,369)    
Other current assets 8,723 41,304    
Total current assets 50,012 66,049    
Property, plant and equipment, net 454,594 469,927    
Goodwill 6,708 6,708    
Intangible assets, net 8,281 9,434    
Investment in subsidiaries and intercompany advances 2,947,916 2,932,375    
Other noncurrent assets 222,237      
Deferred Income Taxes and Other Assets, Noncurrent   301,771    
Total assets 3,689,748 3,786,264    
Current liabilities:        
Deferred tax liability 0 73,039    
Total liabilities 1,598,350 1,670,580    
Total equity 2,091,398 2,115,684    
Total liabilities and stockholders’ equity 3,689,748 3,786,264    
Accounts payable and accrued liabilities 190,474 149,210    
Accrued income taxes (49,988) 1,576    
Intercompany Payables 1,452,085 1,437,417    
Liabilities, Current 140,486 150,786    
Long-term Debt, Excluding Current Maturities 0 0    
Other long-term liabilities 5,779 9,338    
Non-Guarantor [Member]        
Current assets:        
Cash and cash equivalents 40,670 40,326 41,562 46,455
Accounts and notes receivable, net 90,526 97,482    
Rig materials and supplies 40,083 37,723    
Other current assets 16,985 30,034    
Total current assets 188,264 205,565    
Property, plant and equipment, net 212,467 223,531    
Goodwill 0 0    
Intangible assets, net 189 494    
Investment in subsidiaries and intercompany advances 3,804,358 3,676,402    
Other noncurrent assets 539,876      
Deferred Income Taxes and Other Assets, Noncurrent   539,877    
Total assets 4,745,154 4,645,869    
Current liabilities:        
Deferred tax liability 0 (3,678)    
Total liabilities 2,852,068 2,741,509    
Total equity 1,893,086 1,904,360    
Total liabilities and stockholders’ equity 4,745,154 4,645,869    
Accounts payable and accrued liabilities 581,140 577,188    
Accrued income taxes (14,382) 2,504    
Intercompany Payables 2,281,438 2,161,864    
Liabilities, Current 566,758 579,692    
Long-term Debt, Excluding Current Maturities 0 0    
Other long-term liabilities 3,872 3,631    
Consolidation, Eliminations [Member]        
Current assets:        
Cash and cash equivalents 0 0 $ 0 $ 0
Accounts and notes receivable, net 0 0    
Rig materials and supplies 0 0    
Other current assets 0 0    
Total current assets 0 0    
Property, plant and equipment, net 0 0    
Goodwill 0 0    
Intangible assets, net 0 0    
Investment in subsidiaries and intercompany advances (9,702,943) (9,588,190)    
Other noncurrent assets (480,828)      
Deferred Income Taxes and Other Assets, Noncurrent   (480,811)    
Total assets (10,183,771) (10,069,001)    
Current liabilities:        
Deferred tax liability 0 0    
Total liabilities (6,197,121) (6,045,075)    
Total equity (3,986,650) (4,023,926)    
Total liabilities and stockholders’ equity (10,183,771) (10,069,001)    
Accounts payable and accrued liabilities (617,477) (617,477)    
Accrued income taxes 0 0    
Intercompany Payables (5,579,644) (5,427,598)    
Liabilities, Current (617,477) (617,477)    
Long-term Debt, Excluding Current Maturities 0 0    
Other long-term liabilities $ 0 $ 0