Acquisitions - Schedule of Book Value of Net Assets Under Common Control (Parenthetical) (Details) - Purchase and Sale Agreement	May. 18, 2015
Colonial
Business Acquisition [Line Items]
Additional cost method investment percentage acquired	1.388%
Zydeco
Business Acquisition [Line Items]
Additional minority interest ownership percentage by parent acquired	19.50%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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