Property And Equipment - Schedule of Property and Equipment Under Capital Leases (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Property, Plant And Equipment [Line Items]
Property, plant and equipment under capital lease, gross	$ 180,182	$ 213,778
Less accumulated amortization	82,168	82,679
Property, plant and equipment under capital lease, net	98,014	131,099
Fluid services equipment
Property, Plant And Equipment [Line Items]
Property, plant and equipment under capital lease, gross	112,048	129,459
Pumping equipment
Property, Plant And Equipment [Line Items]
Property, plant and equipment under capital lease, gross	37,864	43,573
Light vehicles
Property, Plant And Equipment [Line Items]
Property, plant and equipment under capital lease, gross	25,538	33,424
Contract drilling equipment
Property, Plant And Equipment [Line Items]
Property, plant and equipment under capital lease, gross	4,279	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