Property and Equipment, Identifiable Intangible Assets and Goodwill - Property, Plant and Equipment Useful Lives (Details)	6 Months Ended
	Jun. 30, 2021
Compression equipment, acquired new
Property and Equipment
Estimated useful lives	25 years
Buildings
Property and Equipment
Estimated useful lives	5 years
Leasehold improvements
Property and Equipment
Estimated useful lives	5 years
Minimum | Compression equipment, acquired used
Property and Equipment
Estimated useful lives	5 years
Minimum | Furniture and fixtures
Property and Equipment
Estimated useful lives	3 years
Minimum | Vehicles and computer equipment
Property and Equipment
Estimated useful lives	1 year
Maximum | Compression equipment, acquired used
Property and Equipment
Estimated useful lives	25 years
Maximum | Furniture and fixtures
Property and Equipment
Estimated useful lives	10 years
Maximum | Vehicles and computer equipment
Property and Equipment
Estimated useful lives	10 years