(LOSS) EARNINGS PER COMMON SHARE - Computation of Basic and Diluted (Loss) Earnings Per Share (Parenthetical) (Detail) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Restricted Stock Units (RSUs)
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Shares excluded from computation of diluted loss per share (in shares)	67
Antidilutive shares excluded from computation of diluted earnings per share (in shares)	412	51
Series A Mandatory Convertible Preferred Stock
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive shares excluded from computation of diluted earnings per share (in shares)		4,903