Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidating Condensed Balance Sheet (Detail) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Jun. 30, 2017
Dec. 31, 2016
Current assets:        
Cash and cash equivalents $ 114,459 $ 141,549 $ 146,234 $ 119,691
Accounts and notes receivable, net 122,673 122,511    
Rig materials and supplies 31,921 31,415    
Other current assets 23,640 22,361    
Total current assets 292,693 317,836    
Property, plant and equipment, net 602,069 625,771    
Goodwill (Note 2) 6,708 6,708    
Intangible assets, net (Note 2) 5,974 7,128    
Investment in subsidiaries and intercompany advances 0 0    
Other noncurrent assets 29,775 32,836    
Total assets 937,219 990,279    
Current liabilities:        
Accounts payable and accrued liabilities 102,797 99,246    
Accrued income taxes 3,457 4,430    
Total current liabilities 106,254 103,676    
Long-term debt, net 578,840 577,971    
Other long-term liabilities 10,335 12,433    
Long-term deferred tax liability 60 78    
Intercompany Payables 0 0    
Total liabilities 695,489 694,158    
Total stockholders' equity 241,730 296,121    
Total liabilities and stockholders' equity 937,219 990,279    
Reportable Legal Entities | Parent        
Current assets:        
Cash and cash equivalents 46,762 75,342 89,006 65,000
Accounts and notes receivable, net 0 0    
Rig materials and supplies 0 0    
Other current assets 0 0    
Total current assets 46,762 75,342    
Property, plant and equipment, net (19) (19)    
Goodwill (Note 2) 0 0    
Intangible assets, net (Note 2) 0 0    
Investment in subsidiaries and intercompany advances 2,923,231 2,955,050    
Other noncurrent assets (253,593) (261,232)    
Total assets 2,716,381 2,769,141    
Current liabilities:        
Accounts payable and accrued liabilities (73,337) (51,060)    
Accrued income taxes 83,693 76,883    
Total current liabilities 10,356 25,823    
Long-term debt, net 578,840 577,971    
Other long-term liabilities 2,867 2,867    
Long-term deferred tax liability 0 (1)    
Intercompany Payables 1,879,491 1,865,810    
Total liabilities 2,471,554 2,472,470    
Total stockholders' equity 244,827 296,671    
Total liabilities and stockholders' equity 2,716,381 2,769,141    
Reportable Legal Entities | Guarantor        
Current assets:        
Cash and cash equivalents 16,223 20,655 16,558 14,365
Accounts and notes receivable, net 38,845 32,338    
Rig materials and supplies (1,972) (3,025)    
Other current assets 8,651 6,362    
Total current assets 61,747 56,330    
Property, plant and equipment, net 422,144 428,556    
Goodwill (Note 2) 6,708 6,708    
Intangible assets, net (Note 2) 5,974 7,128    
Investment in subsidiaries and intercompany advances 2,993,050 2,971,456    
Other noncurrent assets 231,233 237,755    
Total assets 3,720,856 3,707,933    
Current liabilities:        
Accounts payable and accrued liabilities 206,807 179,247    
Accrued income taxes (62,838) (56,870)    
Total current liabilities 143,969 122,377    
Long-term debt, net 0 0    
Other long-term liabilities 3,367 5,741    
Long-term deferred tax liability 0 0    
Intercompany Payables 1,471,636 1,465,744    
Total liabilities 1,618,972 1,593,862    
Total stockholders' equity 2,101,884 2,114,071    
Total liabilities and stockholders' equity 3,720,856 3,707,933    
Reportable Legal Entities | Non-Guarantor        
Current assets:        
Cash and cash equivalents 51,474 45,552 40,670 40,326
Accounts and notes receivable, net 83,828 90,173    
Rig materials and supplies 33,494 34,440    
Other current assets 14,989 15,999    
Total current assets 183,785 186,164    
Property, plant and equipment, net 179,727 197,234    
Goodwill (Note 2) 0 0    
Intangible assets, net (Note 2) 0 0    
Investment in subsidiaries and intercompany advances 4,100,944 3,955,553    
Other noncurrent assets 532,946 537,124    
Total assets 4,997,402 4,876,075    
Current liabilities:        
Accounts payable and accrued liabilities 586,803 588,536    
Accrued income taxes (17,398) (15,583)    
Total current liabilities 569,405 572,953    
Long-term debt, net 0 0    
Other long-term liabilities 4,102 3,825    
Long-term deferred tax liability 60 79    
Intercompany Payables 2,571,268 2,430,340    
Total liabilities 3,144,835 3,007,197    
Total stockholders' equity 1,852,567 1,868,878    
Total liabilities and stockholders' equity 4,997,402 4,876,075    
Eliminations        
Current assets:        
Cash and cash equivalents 0 0 $ 0 $ 0
Accounts and notes receivable, net 0 0    
Rig materials and supplies 399 0    
Other current assets 0 0    
Total current assets 399 0    
Property, plant and equipment, net 217 0    
Goodwill (Note 2) 0 0    
Intangible assets, net (Note 2) 0 0    
Investment in subsidiaries and intercompany advances (10,017,225) (9,882,059)    
Other noncurrent assets (480,811) (480,811)    
Total assets (10,497,420) (10,362,870)    
Current liabilities:        
Accounts payable and accrued liabilities (617,476) (617,477)    
Accrued income taxes 0 0    
Total current liabilities (617,476) (617,477)    
Long-term debt, net 0 0    
Other long-term liabilities (1) 0    
Long-term deferred tax liability 0 0    
Intercompany Payables (5,922,395) (5,761,894)    
Total liabilities (6,539,872) (6,379,371)    
Total stockholders' equity (3,957,548) (3,983,499)    
Total liabilities and stockholders' equity $ (10,497,420) $ (10,362,870)