EARNINGS PER COMMON SHARE - Computation of Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share [Abstract]
Net income	$ 100,763	$ 77,693	$ 272,731	$ 175,078
Less: Preferred stock dividends	2,010	2,010	6,030	6,030
Net Income Available to Common Stockholders	$ 98,753	$ 75,683	$ 266,701	$ 169,048
Basic weighted average common shares outstanding	324,435,939	323,410,932	324,118,236	295,012,986
Net effect of dilutive stock options, warrants and restricted stock	1,217,192	1,493,836	1,556,470	1,639,810
Diluted weighted average common shares outstanding	325,653,131	324,904,768	325,674,706	296,652,796
Basic (in USD per share)	$ 0.30	$ 0.23	$ 0.82	$ 0.57
Diluted (in USD per share)	$ 0.30	$ 0.23	$ 0.82	$ 0.57