Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Business Acquisitions - Assets Acquired (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Aug. 08, 2014	Apr. 10, 2014
Estimated fair value of acquired assets and liabilities assumed as of the acquisition date
Goodwill	$ 0	$ 3,738
August 2014 MidCon Acquisition
Estimated fair value of acquired assets and liabilities assumed as of the acquisition date
Inventory			$ 2,302
Property, plant and equipment			80,154
Goodwill			3,738
Intangible assets			48,373
Current liabilities			(372)
Purchase price			$ 134,195
April 2014 MidCon Acquisition
Estimated fair value of acquired assets and liabilities assumed as of the acquisition date
Inventory				$ 4,357
Property, plant and equipment				314,556
Intangible assets				42,474
Current liabilities				(827)
Purchase price				$ 360,560