Long-Term Debt and Other Borrowings (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Long-term debt	$ 845,843	$ 815,560
Bank line of credit, net availability	18,400
Parent Company [Member]
Debt Instrument [Line Items]
Long-term debt	212,151	182,547
Line of Credit [Member] | Parent Company [Member]
Debt Instrument [Line Items]
Bank line of credit, outstanding balance	30,700
Bank line of credit, letters of credit and guarantees	9,000
Bank line of credit, net availability	27,300
Compressco Partners Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	290,204	289,797
Compressco Partners Senior Notes 7.50% [Member]
Debt Instrument [Line Items]
Long-term debt	343,488	343,216
New Credit Agreement [Member]
Debt Instrument [Line Items]
Long-term debt	$ 0	$ 0
CSI Compressco [Member] | Compressco Partners Senior Notes [Member]
Debt Instrument [Line Items]
Senior Note interest rate	7.25%	7.25%
Unamortized deferred finance costs	$ 3,600	$ 3,900
Unamortized discount	$ 2,100	2,200
CSI Compressco [Member] | Compressco Partners Senior Notes 7.50% [Member]
Debt Instrument [Line Items]
Senior Note interest rate	7.50%
Unamortized deferred finance costs	$ 6,500	6,800
Revolving Credit Facility [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Long-term debt	29,131	0
Unamortized deferred finance costs	1,600	0
Term Loan [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Long-term debt	183,020	182,547
Unamortized deferred finance costs	10,000	10,200
Unamortized discount	$ 7,000	$ 7,200