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Loss per Share Disclosure - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Computation Of Earnings Per Share Line Items
Weighted average shares outstanding	74,501,559	50,625,121	74,501,559	50,618,536
Weighted average shares related to stock options		36,538		45,718

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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