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Net Income Per Share Information (Narrative) (Detail) (Warrant)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2012
Warrant
Computation Of Earnings Per Share Line Items
Antidilutive securities excluded from computation of earnings per share	50,031	72,324

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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