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Long-Term Debt and Other Borrowings (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2016 USD ($) | Sep. 30, 2016 USD ($) shares | Jun. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Jun. 30, 2016 USD ($) | Sep. 30, 2016 USD ($) shares | Sep. 30, 2015 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) shares | Jun. 21, 2016 shares | Mar. 31, 2016 USD ($)
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total debt |  | $ 738,032 |  |  |  | $ 738,032 |  |  | $ 853,228 |  |
Long-term debt, net |  | 738,032 |  |  |  | 738,032 |  |  | 853,228 |  |
Payments of deferred financing costs |  |  |  |  |  | (3,046) | $ 0 |  |  |  |
New accounting pronouncement, impact of adoption |  | $ 17,300 |  |  |  | 17,300 |  |  | $ 20,200 |  |
Reclassification of deferred financing costs |  |  |  | $ 1,000 |  | 3,100 | 2,800 |  |  |  |
Proceeds from Convertible Debt, net |  |  |  |  |  | 77,321 |  |  |  |  |
Proceeds from Issuance of Preferred Limited Partners Units |  |  |  |  |  |  | 0 |  |  |  |
Write off of Deferred Debt Issuance Cost |  |  |  |  |  | $ 700 |  |  |  |  |
Common stock, shares issued | shares |  | 92,704,476 |  |  |  | 92,704,476 |  |  | 83,023,628 | 11,500,000 |
Proceeds from sale of common stock |  |  | $ 60,400 |  |  |  |  |  |  |  |
Senior Note Repurchase Agreement, Amount |  |  |  |  |  | $ 20,000 |  |  |  |  |
Extinguishment of Debt, Amount |  |  |  |  |  | 20,000 |  |  |  |  |
Early Repayment of Senior Debt |  |  |  |  |  | $ 18,800 |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  |  |  |  |  | 94.00% |  |  |  |  |
Gain (Loss) on Extinguishment of Debt |  |  |  |  |  | $ 540 | $ 0 |  |  |  |
Preferred Units [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from Convertible Debt, net |  |  |  |  |  | 77,321 |  |  |  |  |
TETRA [Member] |  |  |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total debt |  | $ 242,341 |  |  |  | 242,341 |  |  | $ 286,620 |  |
Less current portion |  | 0 |  |  |  | 0 |  |  | (50) |  |
Long-term debt, net |  | 242,341 |  |  |  | $ 242,341 |  |  | 286,570 |  |
Tender offer, description of consideration |  |  |  |  |  | The consideration paid for the Tender Offer Senior Notes was a cash amount equal to $100,000 per $100,000 principal amount of the Tender Offer Senior Notes validly tendered (and not validly withdrawn) prior to the expiration time of each Tender Offer, and validly accepted for purchase by us. |  |  |  |  |
CSI Compressco [Member] |  |  |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total debt |  | $ 495,691 |  |  |  | $ 495,691 |  |  | 566,658 |  |
Debt leverage ratio |  | 4.83 |  |  |  | 4.83 |  |  |  |  |
Consolidated secured leverage ratio |  | 1.75 |  |  |  | 1.75 |  |  |  |  |
Interest leverage ratio |  | 3.36 |  |  |  | 3.36 |  |  |  |  |
Bank revolving line of credit facility [Member] |  |  |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
New accounting pronouncement, impact of adoption |  |  | 6,300 |  | $ 6,300 |  |  |  | $ 6,700 |  |
Bank revolving line of credit facility [Member] | TETRA [Member] |  |  |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  | Sep. 30, 2019 |  |  | Sep. 30, 2019 |  |
Total debt |  | $ 125,849 |  |  |  | $ 125,849 |  |  | $ 21,572 |  |
Unamortized deferred finance costs |  | 1,900 |  |  |  | 1,900 |  |  | $ 1,300 |  |
Bank line of credit, outstanding balance |  | 127,800 |  |  |  | 127,800 |  |  |  |  |
Bank line of credit, letters of credit and guarantees |  | 5,400 |  |  |  | 5,400 |  |  |  |  |
Bank line of credit, net availability |  | 91,800 |  |  |  | $ 91,800 |  |  |  |  |
Debt instrument, covenant terms description |  |  |  |  |  | The fixed charge coverage ratio compares (a) EBITDA (as adjusted and defined in the Credit Agreement) less (1) cash income tax expense, (2) non-financed capital expenditures, and (3) cash dividends and distributions to (b) interest expense plus (1) scheduled principal payments and (2) stock purchases. The Fourth Amendment provides that the fixed charge coverage ratio may not be less than 1.25 to 1 as of the end of any fiscal quarter. The consolidated leverage ratio covenant was amended and may not exceed (a) 4.00 to 1 at the end of the fiscal quarters ending during the period from and including June 30, 2016 through and including March 31, 2018, (b) 3.75 to 1 at the end of the fiscal quarters ending during the period from and including June 30, 2018 through and including December 31, 2018, and (c) 3.5 to 1 at the end of each of the fiscal quarters thereafter. |  |  |  |  |
Debt instrument, interest rate description |  |  |  |  |  | In addition, subsequent to the Fourth Amendment, borrowings will bear interest at the British Bankers Association LIBOR rate plus 2.25% to 4.00%, or an alternate base rate plus 0.00% to 1.00%, in each case depending on one of our financial ratios, and the commitment fee on unused portions of the facility will range from 0.35% to 0.75%. |  |  |  |  |
Debt instrument, collateral description |  |  |  |  |  | The Fourth Amendment also resulted in additional modifications, including a requirement that all obligations under the Credit Agreement and the guarantees of such obligations be secured by first-lien security interests in substantially all of our assets and the assets of our subsidiaries (limited, in the case of foreign subsidiaries, to 66% of the voting stock or equity interests of first-tier foreign subsidiaries). |  |  |  |  |
Bank revolving line of credit facility [Member] | CSI Compressco [Member] |  |  |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  | Aug. 04, 2019 |  |  |  | Aug. 04, 2019 |  |
Total debt |  | 176,567 |  |  |  | $ 176,567 |  |  | $ 229,555 |  |
Unamortized deferred finance costs |  | 4,400 |  |  |  | 4,400 |  |  | $ 5,400 |  |
Payments of deferred financing costs |  |  | 700 |  |  | 700 |  |  |  |  |
Bank line of credit, maximum borrowing capacity |  |  | 340,000 |  | $ 340,000 |  |  |  |  |  | $ 400,000
Bank line of credit, outstanding balance |  | 181,000 |  |  |  | 181,000 |  |  |  |  |
Bank line of credit, letters of credit and guarantees |  | 7,600 |  |  |  | 7,600 |  |  |  |  |
Bank line of credit, net availability |  | 151,300 |  |  |  | $ 151,300 |  |  |  |  |
Bank line of credit, prepayment requirement |  |  | 35,000 |  | 35,000 |  |  |  |  |  |
Bank line of credit, asset restrictions |  |  |  |  |  | increased the amount of equipment and real property that may be disposed of in any four consecutive fiscal quarters from $5.0 million to $20.0 million; |  |  |  |  |
Debt instrument, covenant terms description |  |  |  |  |  |  |  | The CCLP Fourth Amendment modified certain covenants as follows: (i) the consolidated total leverage ratio may not exceed (a) 5.75 to 1 as of September 30, 2016, (b) 5.95 to 1 as of the fiscal quarters ended December 31, 2016 through June 30, 2018; (c) 5.75 to 1 as of September 30, 2018 and December 31, 2018; and (d) 5.50 to 1 as of March 31, 2019 and thereafter. |  |  |
Debt instrument, interest rate description | the consolidated secured leverage ratio may not exceed (a) 3.25 to 1 as of the fiscal quarters ended September 30, 2016 through June 30, 2018; and (b) 3.50 to 1 as of September 30, 2018 and thereafter; and (iii) the consolidated interest coverage ratio may not fall below (a) 2.25 to 1 as of the fiscal quarters ended September 30, 2016 through June 30, 2018; (b) 2.50 to 1 as of September 30, 2018 and December 31, 2018; and (c) 2.75 to 1 as of March 31, 2019 and thereafter. |  |  |  |  | increasing the applicable margin by 0.25% with a range between 2.00% and 3.00% per annum for LIBOR-based loans and 1.00% to 2.00% per annum for base-rate loans, based on the applicable consolidated total leverage ratio |  |  |  |  |
Senior Notes Series 2010-A [Member] | TETRA [Member] |  |  |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Senior Note interest rate |  |  |  |  |  |  |  |  | 5.09% |  |
Maturity date |  |  |  |  |  |  |  |  | Dec. 15, 2017 |  |
Total debt |  | 0 |  |  |  | $ 0 |  |  | $ 46,809 |  |
Unamortized deferred finance costs |  |  |  |  |  |  |  |  | $ 100 |  |
Senior Notes Series 2010-B [Member] | TETRA [Member] |  |  |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Senior Note interest rate |  |  |  |  |  |  |  |  | 5.67% |  |
Maturity date |  |  |  |  |  |  |  |  | Dec. 15, 2020 |  |
Total debt |  | 0 |  |  |  | 0 |  |  | $ 17,964 |  |
Unamortized deferred finance costs |  |  |  |  |  |  |  |  | $ 100 |  |
Senior Notes Series 2013 [Member] | TETRA [Member] |  |  |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Senior Note interest rate |  |  |  |  |  |  |  |  | 4.00% |  |
Maturity date |  |  |  |  |  |  |  |  | Apr. 29, 2020 |  |
Total debt |  | 0 |  |  |  | 0 |  |  | $ 34,753 |  |
Unamortized deferred finance costs |  |  |  |  |  |  |  |  | $ 200 |  |
Senior Secured Notes [Member] | TETRA [Member] |  |  |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  | Apr. 01, 2019 |  |
Total debt |  | $ 0 |  |  |  | $ 0 |  |  | $ 48,635 |  |
Unamortized deferred finance costs |  |  |  |  |  |  |  |  | $ 1,400 |  |
Payments of deferred financing costs |  |  | 1,100 |  |  |  |  |  |  |  |
Repayments of Notes Payable |  |  | 30,000 |  |  |  |  |  |  |  |
2015 Senior Notes [Member] | TETRA [Member] |  |  |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Senior Note interest rate |  | 11.00% |  |  |  | 11.00% |  |  | 11.00% |  |
Maturity date |  |  |  |  |  | Nov. 05, 2022 |  |  | Nov. 05, 2022 |  |
Total debt |  | $ 116,492 |  |  |  | $ 116,492 |  |  | $ 116,837 |  |
Unamortized discount |  | 4,600 |  |  |  | 4,600 |  |  | 4,900 |  |
Unamortized deferred finance costs |  | 3,900 |  |  |  | $ 3,900 |  |  | 3,200 |  |
Debt instrument, covenant terms description |  |  |  |  |  | The Amended and Restated 11% Senior Note Agreement amends certain covenants, including replacing the interest coverage ratio covenant in the previous Note Purchase Agreement with a minimum permitted fixed charge coverage ratio at the end of any fiscal quarter of 1.1 to 1. Additionally, the maximum permitted ratio of consolidated funded indebtedness at the end of any fiscal quarter to a defined measure of earnings increased from 3.50 to 1 to (a) 4.50 to 1 as of the end of any fiscal quarter ending during the period commencing July 1, 2016 and ending on March 31, 2018, (b) 4.25 to1 as of the end of any fiscal quarter ending during the period commencing on June 30, 2018 and ending on December 31, 2018 and (c) 4.00 to 1 as of the end of any fiscal quarter ending thereafter. |  |  |  |  |
Debt instrument, collateral description |  |  |  |  |  | Pursuant to the Amended and Restated 11% Senior Note Agreement, the 11% Senior Notes are now secured by first-lien security interests in substantially all of our assets and the assets of our subsidiaries. |  |  |  |  |
Carrying value of Senior Notes |  |  | $ 125,000 |  | $ 125,000 |  |  |  |  |  |
Other long-term debt [Member] | TETRA [Member] |  |  |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total debt |  | 0 |  |  |  | $ 0 |  |  | 50 |  |
CSI Compressco Senior Notes [Member] |  |  |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Carrying value of Senior Notes |  | $ 330,000 |  |  |  | $ 330,000 |  |  | $ 350,000 |  |
CSI Compressco Senior Notes [Member] | CSI Compressco [Member] |  |  |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Senior Note interest rate |  | 7.25% |  |  |  | 7.25% |  |  | 7.25% |  |
Maturity date |  |  |  |  | Aug. 15, 2022 |  |  |  | Aug. 15, 2022 |  |
Total debt |  | $ 319,124 |  |  |  | $ 319,124 |  |  | $ 337,103 |  |
Unamortized discount |  | 3,900 |  |  |  | 3,900 |  |  | 4,500 |  |
Unamortized deferred finance costs |  | 7,000 |  |  |  | $ 7,000 |  |  | $ 8,400 |  |
Tender Offer Notes [Member] | TETRA [Member] |  |  |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Payments of deferred financing costs |  | 400 |  |  |  |  |  |  |  |  |
Repayments of Notes Payable |  | $ 100,000 |  |  |  |  |  |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Write off of Deferred Debt Issuance Cost | $ 317 |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt, Amount |  |  |  |  |  |  |  | $ 34,100 |  |  |
Early Repayment of Senior Debt |  |  |  |  |  |  |  | $ 32,100 |  |  |

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