Property And Equipment - Schedule of Property and Equipment Under Capital Leases (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Property, Plant And Equipment [Line Items]
Property, plant and equipment under capital lease, gross	$ 191,771	$ 213,778
Less accumulated amortization	84,363	82,679
Property, plant and equipment under capital lease, net	107,408	131,099
Fluid services equipment
Property, Plant And Equipment [Line Items]
Property, plant and equipment under capital lease, gross	117,773	129,459
Pumping equipment
Property, Plant And Equipment [Line Items]
Property, plant and equipment under capital lease, gross	39,709	43,573
Light vehicles
Property, Plant And Equipment [Line Items]
Property, plant and equipment under capital lease, gross	27,996	33,424
Contract drilling equipment
Property, Plant And Equipment [Line Items]
Property, plant and equipment under capital lease, gross	5,840	6,493
Well service units and equipment
Property, Plant And Equipment [Line Items]
Property, plant and equipment under capital lease, gross	335	541
Construction equipment
Property, Plant And Equipment [Line Items]
Property, plant and equipment under capital lease, gross	$ 118	$ 288