Acquisitions (Tables)

12 Months Ended

Dec. 31, 2015

Acquisitions [Abstract]

Schedule Of Values At Date Of Acquisition

	Closing Date		Total Cash Paid  (net of cash acquired)
Pioneer Fishing and Rental, Inc.	September 17, 2014	$	16,090
Total 2014		$	16,090
Harbor Resources, LLC	July 17, 2015	$	4,500
Aerion Rental, LLC	July 24, 2015		1,997
Grey Rock Pressure Pumping, LLC	August 31, 2015		10,233
Total 2015		$	16,730