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Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions |  |  | 5 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2021 | Jan. 29, 2021 | Jun. 29, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Depreciation expense |  |  |  | $ 27.8 | $ 32.4 | $ 42.9
Amortization of intangible assets |  |  |  | 5.1 | 5.3 | 5.1
Future amortization expense, 2022 | $ 4.1 |  |  | 4.1 |  |
Future amortization expense, 2023 | 3.8 |  |  | 3.8 |  |
Future amortization expense, 2024 | 3.7 |  |  | 3.7 |  |
Future amortization expense, 2025 | 3.7 |  |  | 3.7 |  |
Future amortization expense, 2026 | 3.6 |  |  | 3.6 |  |
Future amortization expense, after 2026 | $ 18.1 |  |  | 18.1 |  |
Equity-based compensation expense |  |  |  | 4.6 | 4.3 | 4.6
Foreign currency exchange gains and losses |  |  |  | $ (1.4) | 2.7 | (0.5)
Finite-Lived Intangible Assets [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  | 12 years |  |
CSI Compressco [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest | 3.80% |  |  |  |  |
Standard Lithium [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Revenue from related parties |  |  |  | $ 1.1 | $ 3.1 | $ 1.1
Discontinued Operations, Disposed of by Sale [Member] | CSI Compressco [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Proceeds from disposal of business |  |  | $ 13.9 |  |  |
Disposal group, contingent consideration |  | $ 3.1 |  |  |  |
Discontinued Operations, Disposed of by Sale [Member] | CSI Compressco [Member] | CSI Compressco [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest |  | 23.10% |  |  |  |

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