Property and Equipment - Components of Property and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Property, Plant And Equipment [Line Items]
Property and equipment, gross	$ 408,873	$ 493,625
Less accumulated depreciation and amortization	(159,225)	(196,512)
Property and equipment, net	249,648	297,113
Finance Lease, Assets And Liabilities, Lessee [Abstract]
Property and equipment under finance lease, cost	53,799	71,768
Less accumulated amortization	(19,894)	(27,727)
Property and equipment under finance lease, net	33,905	44,041
Land
Property, Plant And Equipment [Line Items]
Property and equipment, gross	22,902	15,682
Buildings and improvements
Property, Plant And Equipment [Line Items]
Property and equipment, gross	39,196	30,902
Well service units and equipment
Property, Plant And Equipment [Line Items]
Property and equipment, gross	59,337	130,318
Finance Lease, Assets And Liabilities, Lessee [Abstract]
Property and equipment under finance lease, cost	193	0
Disposal facilities
Property, Plant And Equipment [Line Items]
Property and equipment, gross	89,213	87,763
Fluid services equipment
Property, Plant And Equipment [Line Items]
Property and equipment, gross	80,839	79,024
Finance Lease, Assets And Liabilities, Lessee [Abstract]
Property and equipment under finance lease, cost	33,061	34,499
Rental equipment
Property, Plant And Equipment [Line Items]
Property and equipment, gross	47,825	60,886
Finance Lease, Assets And Liabilities, Lessee [Abstract]
Property and equipment under finance lease, cost	878	1,130
Pumping equipment
Property, Plant And Equipment [Line Items]
Property and equipment, gross	35,303	47,083
Finance Lease, Assets And Liabilities, Lessee [Abstract]
Property and equipment under finance lease, cost	10,671	16,576
Light vehicles
Property, Plant And Equipment [Line Items]
Property and equipment, gross	17,244	26,630
Finance Lease, Assets And Liabilities, Lessee [Abstract]
Property and equipment under finance lease, cost	8,996	19,563
Fracturing/test tanks
Property, Plant And Equipment [Line Items]
Property and equipment, gross	6,266	6,153
Brine and fresh water stations
Property, Plant And Equipment [Line Items]
Property and equipment, gross	5,341	4,340
Other
Property, Plant And Equipment [Line Items]
Property and equipment, gross	4,483	3,948
Software
Property, Plant And Equipment [Line Items]
Property and equipment, gross	$ 924	$ 896

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