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Rental Equipment, Property and Equipment - Narrative (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) compressor | Dec. 31, 2020 USD ($) compressor
Property, Plant and Equipment [Line Items] |  |
Depreciation | $ | $ 25,229 | $ 25,073
Number of units retired | compressor | 263 |
Retirement of rental equipment | $ | $ 3,096 | 291
Rental Equipment |  |
Property, Plant and Equipment [Line Items] |  |
Depreciation | $ | $ 22,900 | 22,700
Number of rental fleet | compressor | 65 |
Number of repurchased from customer | compressor | 35 |
Property, Plant, and Equipment, Excluding Rental Equipment |  |
Property, Plant and Equipment [Line Items] |  |
Depreciation | $ | $ 2,400 | $ 2,300
Rental Compressor Unit |  |
Property, Plant and Equipment [Line Items] |  |
Number of units retired | compressor |  | 216
Minimum |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, estimated useful life | 3 years |
Minimum | Rental Equipment |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, estimated useful life | 15 years |
Maximum |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, estimated useful life | 39 years |
Maximum | Rental Equipment |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, estimated useful life | 25 years |

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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