Schedule of Total Purchase Price of Assets Acquired and Liabilities Assumed Based on Fair Value (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Apr. 20, 2017	Dec. 31, 2016
Liabilities assumed
Goodwill	$ 524,700		$ 86,234
Seventy Seven Energy Inc.
Identifiable assets acquired
Cash and cash equivalents		$ 37,806
Accounts receivable		149,598
Inventory		8,036
Other current assets		19,250
Property and equipment		984,430
Other long-term assets		14,546
Intangible assets		22,500
Total identifiable assets acquired		1,236,166
Liabilities assumed
Accounts payable and accrued liabilities		130,100
Deferred income taxes		31,402
Other long-term liabilities		1,734
Total liabilities assumed		163,236
Net identifiable assets acquired		1,072,930
Goodwill		438,466
Total net assets acquired		$ 1,511,396