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Fair Value Measurements - Measured on Nonrecurring Basis (Details) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2020 USD ($) | Mar. 31, 2021 USD ($) $ / hp Y | Dec. 31, 2020 USD ($) $ / hp
Valuation of our interest rate swaps and impaired assets |  |  |
Goodwill impairment | $ | $ 99,830 |  |
Impaired Long-Lived Assets | Compressors | Measurement Input, Sale proceeds | Minimum |  |  |
Valuation of our interest rate swaps and impaired assets |  |  |
Measurement input |  | 0 | 0
Impaired Long-Lived Assets | Compressors | Measurement Input, Sale proceeds | Maximum |  |  |
Valuation of our interest rate swaps and impaired assets |  |  |
Measurement input |  | 289 | 289
Impaired Long-Lived Assets | Compressors | Measurement Input, Sale proceeds | Weighted average |  |  |
Valuation of our interest rate swaps and impaired assets |  |  |
Measurement input |  | 17 | 20
Level 3 | Impaired Long-Lived Assets | Compressors | Measurement Input, Weighted average disposal period |  |  |
Valuation of our interest rate swaps and impaired assets |  |  |
Measurement input | Y |  | 4 |
Level 3 | Impaired Long-Lived Assets | Compressors | Measurement Input, Discount for market liquidity |  |  |
Valuation of our interest rate swaps and impaired assets |  |  |
Measurement input |  | 0.79 | 0.81
Nonrecurring Basis | Level 3 | Impaired Long-Lived Assets | Compressors |  |  |
Valuation of our interest rate swaps and impaired assets |  |  |
Impaired assets | $ |  | $ 3,318 | $ 19,046

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