Earnings (loss) Per Share ("EPS") - Additional Information (Detail) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Restricted Stock Awards (RSAs) [Member]
Earnings Per Share [Line Items]
Antidilutive Securities excluded from Computation of Earnings Per Share	6,509,775	1,233,385	6,540,227	2,083,908
Restricted Stock Units (RSUs) [Member]
Earnings Per Share [Line Items]
Antidilutive Securities excluded from Computation of Earnings Per Share	6,509,775	1,233,385	6,540,227	2,083,908
Performance Share Awards (PSAs) [Member]
Earnings Per Share [Line Items]
Antidilutive Securities excluded from Computation of Earnings Per Share	6,509,775	1,233,385	6,540,227	2,083,908