Earnings (Loss) Per Share ("EPS") - Additional Information (Detail)		3 Months Ended								12 Months Ended
	May 30, 2014 shares	Dec. 31, 2016 shares	Sep. 30, 2016 shares	Jun. 30, 2016 shares	Mar. 31, 2016 shares	Dec. 31, 2015 shares	Sep. 30, 2015 shares	Jun. 30, 2015 shares	Mar. 31, 2015 shares	Dec. 31, 2016 shares	Dec. 31, 2015 shares	Dec. 31, 2014 shares
Earnings Per Share [Line Items]
Common stock, shares outstanding		107,474,904				107,219,138				107,474,904	107,219,138
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	107,416,181	107,173,972	107,058,843
Antidilutive Securities excluded from Computation of Earnings Per Share										7,000,000	6,000,000	3,000,000
Separation [Member]
Earnings Per Share [Line Items]
Common stock, shares outstanding	107,053,031
Ratio of common stock sharing	4