Organization, Description of Business and Basis of Presentation (Details) - Equipment rental revenue - Product concentration risk	3 Months Ended
Mar. 31, 2019
Business Acquisition [Line Items]
Percentage of equipment rental revenue	85.00%
Owned equipment rentals
Business Acquisition [Line Items]
Percentage of equipment rental revenue	72.00%
Topic 842
Business Acquisition [Line Items]
Percentage of equipment rental revenue	78.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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