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Equity (HPU Repurchase) (Details) - Jul. 30, 2015 - Subsequent Event [Member] - HPU [Member] - $ / shares | Total
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Stock Performance Award Repurchase Cash Price of Participant Interest | $ 9.30
Stock Performance Award Repurchase Common Stock Equivalent of Participant Interest | $ 0.7
Stock Performance Award Percentage of Holders with Binding Commitments To Tender | 61.00%
Stock Performance Award Percentage of Holders Tendered | 25.00%

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