EARNINGS PER COMMON SHARE - Calculations of Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net Income (Loss):
Net income (loss)	$ 23,344	$ 25,646
Net income (loss) attributable to common stockholders	$ 23,344	$ 25,646
Weighted-Average Shares:
Basic weighted-average common shares outstanding	212,348	210,686
Average potential common shares	926	2,060
Diluted weighted-average number of common shares outstanding	213,274	212,746
Income (loss) per common share:
Basic	$ 0.11	$ 0.12
Diluted	$ 0.11	$ 0.12
Retained Earnings [Member]
Net Income (Loss):
Net income (loss)	$ 23,344	$ 25,646