Acquisitions (Tables)

12 Months Ended

Dec. 31, 2013

Acquisitions [Abstract]

Schedule Of Values At Date Of Acquisition

		Total Cash Paid
	Closing Date	(net of cash acquired)
Atlas Environmental Consulting, Inc. and Atlas Oilfield Construction Company, LLC	February 19, 2013	$	12,979
Petroleum Water Solutions, LLC	February 22, 2013		3,288
Karnes Water Management, LLC	December 31, 2013		5,200
Total 2013		$	21,467