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Acquisitions - Purchase Price Allocation (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Dec. 31, 2012
Jun. 30, 2014
Black Hawk Energy Services, Inc.
Dec. 16, 2013
Black Hawk Energy Services, Inc.
Previously Reported
Jun. 30, 2014
Black Hawk Energy Services, Inc.
Measurement Period Adjustments
Accounts receivable       $ 10,114 $ 9,663 $ 451
Prepaid expenses and other current assets       319 208 111
Property and equipment       30,088 30,581 (493)
Intangible assets       12,210 0 12,210
Accounts payable       (1,584) (1,333) (251)
Accrued expenses       (2,172) (1,756) (416)
Total identifiable net assets acquired       48,975 37,363 11,612
Goodwill 68,742 68,742 53,093 11,788 23,400 (11,612)
Net assets acquired       $ 60,763 $ 60,763 $ 0