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Long-Term Debt and Other Borrowings (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Debt Instrument [Line Items] |  |
Bank line of credit, net availability | $ 22,200 |
Parent Company [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | 222,109 | $ 182,547
Compressco Partners Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | 290,615 | 289,797
Compressco Partners Senior Notes 7.50% [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | 343,758 | 343,216
Line of Credit [Member] | Parent Company [Member] |  |
Debt Instrument [Line Items] |  |
Bank line of credit, outstanding balance | 20,000 |
Bank line of credit, letters of credit and guarantees | 8,900 |
Bank line of credit, net availability | 40,600 |
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] |  |
Unamortized deferred finance costs | 3,400 | 3,900
Unamortized discount | $ 2,000 | $ 2,200
Senior Note interest rate | 7.25% | 7.25%
CSI Compressco [Member] | Compressco Partners Senior Notes 7.50% [Member] |  |
Debt Instrument [Line Items] |  |
Unamortized deferred finance costs | $ 6,200 | $ 6,800
Senior Note interest rate | 7.50% |
Revolving Credit Facility [Member] | Secured Debt [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 18,507 | 0
Unamortized deferred finance costs | 1,500 | 0
Term Loan [Member] | Secured Debt [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | 203,602 | 182,547
Unamortized deferred finance costs | 10,100 | 10,200
Unamortized discount | $ 6,800 | $ 7,200

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- Definition Amount, after accumulated amortization, of debt discount (premium). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28567-108399 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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