Earnings (Loss) Per Share ("EPS") - Additional Information (Detail)		3 Months Ended								12 Months Ended
	May. 30, 2014 shares	Dec. 31, 2015 shares	Sep. 30, 2015 shares	Jun. 30, 2015 shares	Mar. 31, 2015 shares	Dec. 31, 2014 shares	Sep. 30, 2014 shares	Jun. 30, 2014 shares	Mar. 31, 2014 shares	Dec. 31, 2015 shares	Dec. 31, 2014 shares	Dec. 31, 2013 shares
Earnings Per Share [Line Items]
Common stock, shares outstanding		107,219,138				107,067,457				107,219,138	107,067,457
Weighted-average common shares outstanding, basic	107,053,031	107,000,000	107,000,000	107,000,000	107,000,000	107,000,000	107,000,000	107,000,000	107,000,000	107,173,972	107,058,843	107,053,031
Antidilutive Securities excluded from Computation of Earnings Per Share										6	3
Stock Options [Member]
Earnings Per Share [Line Items]
Antidilutive Securities excluded from Computation of Earnings Per Share										4	2
Restricted Stock Awards (RSAs) and Restricted Stock Units (RSUs) [Member]
Earnings Per Share [Line Items]
Antidilutive Securities excluded from Computation of Earnings Per Share										2	1
Performance Share (PSAs) Member]
Earnings Per Share [Line Items]
Antidilutive Securities excluded from Computation of Earnings Per Share										1
Separation [Member]
Earnings Per Share [Line Items]
Common stock, shares outstanding	107,053,031	107,053,031								107,053,031
Ratio of common stock sharing	4									4