Goodwill and Other Intangible Assets - Allocation of Intangible Assets to Reporting Units (Detail) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Summary Of Significant Accounting Policies [Line Items]
Intangible assets subject to amortization, net	$ 62,298	$ 66,745
Completion and Remedial Services
Summary Of Significant Accounting Policies [Line Items]
Intangible assets subject to amortization, net	46,467
Well Servicing
Summary Of Significant Accounting Policies [Line Items]
Intangible assets subject to amortization, net	5,647
Fluid Services
Summary Of Significant Accounting Policies [Line Items]
Intangible assets subject to amortization, net	7,467
Contract Drilling
Summary Of Significant Accounting Policies [Line Items]
Intangible assets subject to amortization, net	$ 2,717