EARNINGS PER COMMON SHARE - Calculations of Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net Income (Loss):
Net income	$ 24,074	$ 14,758	$ 69,371	$ 6,330
Net income (loss) attributable to common stockholders	$ 24,074	$ 14,758	$ 69,371	$ 6,330
Weighted-Average Shares:
Basic weighted-average common shares outstanding	212,927	211,820	212,682	211,255
Average potential common shares	3,651	1,963	2,577	1,341
Diluted weighted-average number of common shares outstanding	216,578	213,783	215,259	212,596
Income (loss) per common share:
Basic	$ 0.11	$ 0.07	$ 0.33	$ 0.03
Diluted	$ 0.11	$ 0.07	$ 0.32	$ 0.03
Retained Earnings [Member]
Net Income (Loss):
Net income			$ 69,371	$ 6,330