Long-Term Debt and Other Borrowings (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Long-term debt	$ 823,565	$ 629,855
Less current portion	0	0
Long-term debt, net of current portion	823,565	629,855
Proceeds from Issuance of Debt	344,100
Debt Instrument, Fee Amount	6,200
Payments of Financing Costs	3,540
Parent Company [Member]
Debt Instrument [Line Items]
Long-term debt	191,151	117,679
Less current portion	0	0
Long-term debt, net of current portion	$ 191,151	117,679
Debt leverage ratio	0
Line of Credit [Member] | Parent Company [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date	Sep. 30, 2019
Long-term debt	$ 73,143	0
Unamortized deferred finance costs	1,300	$ 0
Bank line of credit, outstanding balance	74,400
Bank line of credit, letters of credit and guarantees	6,100
Bank line of credit, net availability	$ 119,500
2015 Senior Notes [Member] | Parent Company [Member]
Debt Instrument [Line Items]
Senior Note interest rate	11.00%	11.00%
Debt Instrument, Maturity Date	Nov. 05, 2022
Long-term debt	$ 118,008	$ 117,679
Unamortized discount	3,700	3,900
Unamortized deferred finance costs	3,300	3,400
CSI Compressco [Member]
Debt Instrument [Line Items]
Long-term debt	$ 632,414	512,176
CSI Compressco [Member] | Line of Credit [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date	Aug. 04, 2019
Long-term debt	$ 0	223,985
Unamortized deferred finance costs	$ 0	$ 4,000
CSI Compressco [Member] | Compressco Partners Senior Notes [Member]
Debt Instrument [Line Items]
Senior Note interest rate	7.25%	7.25%
Debt Instrument, Maturity Date	Aug. 15, 2022
Long-term debt	$ 288,588	$ 288,191
Unamortized discount	2,700	2,800
Unamortized deferred finance costs	$ 4,700	$ 5,000
Debt Instrument, Redemption, Period One [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage	100.00%
Debt Instrument, Redemption, Period Two [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage	100.00%
Debt Instrument, Redemption, Period Three [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage	100.00%
Debt Instrument, Redemption, Period Four [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage	100.00%