Business Transactions - Pro forma (Details) hp in Thousands, $ in Thousands		3 Months Ended	6 Months Ended
Aug. 01, 2019 USD ($) hp	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Business Transactions
Transaction-related costs		$ 2,687	$ 2,867
Pro forma financial information
Revenue		257,706	512,271
Net income		$ 15,250	36,220
Elite Acquisition
Business Transactions
Compressor units horsepower (horsepower) \| hp	430
Cash consideration	$ 214,000
Transaction-related costs			$ 2,500

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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