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Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 3,897	$ 3,207
Add: ASC 842 rental revenue	22,723	17,129
Total revenue	26,620	20,336
Compressors - sales
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	969	1,968
Other (parts/rebuilds) - sales
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	2,023	925
Service and maintenance
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 905	$ 314

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