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Supplemental Schedules Supplemental Condensed Statements of Cash Flows (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | $ 64,595,000 | $ 55,659,000 | $ 197,002,000
Investing activities: |  |  |
Purchases of property, plant, and equipment | (51,923,000) | (21,066,000) | (120,597,000)
Proceeds from sale of property, plant, and equipment | 862,000 | 3,354,000 | 7,135,000
Other investing activities | 616,000 | 3,456,000 | (1,525,000)
Net cash provided by (used in) investing activities | (48,093,000) | (14,256,000) | (114,987,000)
Financing activities: |  |  |
Proceeds from long-term debt | 384,550,000 | 458,580,000 | 535,896,000
Principal payments on long-term debt | (384,100,000) | (689,783,000) | (598,070,000)
CCLP distributions | (18,826,000) | (28,956,000) | (37,816,000)
Proceeds from issuance of common stock, net of underwriters' discount | 0 | 168,275,000 | 0
Proceeds from sale of common stock and exercise of stock options | 0 | 68,000 | 303,000
Other | (2,157,000) | (6,073,000) | (3,750,000)
Net cash provided by (used in) financing activities | (21,336,000) | (32,633,000) | (104,488,000)
Effect of exchange rate changes on cash | 1,122,000 | (1,987,000) | (2,854,000)
Increase (decrease) in cash and cash equivalents | (3,712,000) | 6,783,000 | (25,327,000)
Cash and cash equivalents at beginning of period | 29,840,000 | 23,057,000 | 48,384,000
Cash and cash equivalents at end of period | 26,128,000 | 29,840,000 | 23,057,000
Parent Company [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | 40,283 | 14,861 | 100,932
Investing activities: |  |  |
Acquisition of businesses, net of cash acquired | 0 | 0 | 0
Purchases of property, plant, and equipment | (27,863) | (2,931) | 678
Proceeds from sale of property, plant, and equipment | 982 | 1,325 | 2,146
Purchase of CSI Compressco's common units and additional general partner contribution | 799 | 314 | 1,626
Other investing activities | 0 | (10,000) | 0
Net cash provided by (used in) investing activities | (26,082) | (11,292) | 4,450
Financing activities: |  |  |
Proceeds from long-term debt | 303,650 | 349,550 | 472,896
Principal payments on long-term debt | (309,200) | (516,900) | (575,070)
CCLP distributions | 0 | 0 | 0
Proceeds from issuance of common stock, net of underwriters' discount | 0 | 168,275 | 0
Proceeds from sale of common stock and exercise of stock options | 0 | 0 | 0
Other | (3,000) | (4,000) | (4,000)
Net cash provided by (used in) financing activities | (8,147) | (3,569) | (105,613)
Increase (decrease) in cash and cash equivalents | 6,054 | 0 | (231)
Cash and cash equivalents at beginning of period | 0 | 0 | 231
Cash and cash equivalents at end of period | $ 6,054 | $ 0 | $ 0

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