Summary of Significant Accounting Policies - Estimated Useful Lives of Property, Plant and Equipment (Details)	12 Months Ended
	Dec. 31, 2020
Information Systems [Member]
Property, plant and equipment [Line Items]
Property, plant and equipment, useful life	7 years
Minimum | Building [Member]
Property, plant and equipment [Line Items]
Property, plant and equipment, useful life	15 years
Minimum | Compressors [Member]
Property, plant and equipment [Line Items]
Property, plant and equipment, useful life	12 years
Minimum | Other Machinery and Equipment [Member]
Property, plant and equipment [Line Items]
Property, plant and equipment, useful life	2 years
Minimum | Automobiles and Trucks [Member]
Property, plant and equipment [Line Items]
Property, plant and equipment, useful life	3 years
Maximum | Building [Member]
Property, plant and equipment [Line Items]
Property, plant and equipment, useful life	30 years
Maximum | Compressors [Member]
Property, plant and equipment [Line Items]
Property, plant and equipment, useful life	25 years
Maximum | Other Machinery and Equipment [Member]
Property, plant and equipment [Line Items]
Property, plant and equipment, useful life	8 years
Maximum | Automobiles and Trucks [Member]
Property, plant and equipment [Line Items]
Property, plant and equipment, useful life	5 years