EARNINGS PER COMMON SHARE - Calculations of Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Net Income (Loss):
Net income	$ 43,314	$ 33,148
Dividends on preferred stock	(669)	(669)
Net income attributable to common stockholders	$ 42,645	$ 32,479
Weighted-Average Shares:
Basic weighted-average common shares outstanding	216,338	214,646
Average potential common shares	612	1,648
Diluted weighted-average number of common shares outstanding	216,950	216,294
Income (loss) per common share:
Basic	$ 0.2	$ 0.15
Diluted	$ 0.2	$ 0.15