STOCKHOLDERS' EQUITY AND EARNINGS PER SHARE (Details 2) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Basic
Net income	[1]	$ 94,097	$ 91,900	$ 292,872	$ 250,376
Less: Earnings allocated to participating securities		0	122	3	408
Net income allocated to common stockholders		$ 94,097	$ 91,778	$ 292,869	$ 249,968
Basic weighted-average common shares outstanding (in shares)		143,861	143,210	143,788	142,791
Basic EPS (in dollars per share)	[1]	$ 0.65	$ 0.64	$ 2.04	$ 1.75
Diluted
Net income allocated to common stockholders		$ 94,097	$ 91,778	$ 292,869	$ 249,968
Add: Restricted stock dividends		113	69	309	197
Income allocated to diluted common stockholders		$ 94,210	$ 91,847	$ 293,178	$ 250,165
Basic weighted-average common shares outstanding (in shares)		143,861	143,210	143,788	142,791
Dilutive potential common shares		729	600	680	586
Dilutive weighted-average common shares outstanding		144,590	143,810	144,468	143,377
Diluted EPS (in dollars per share)	[1]	$ 0.65	$ 0.64	$ 2.03	$ 1.74

[1] Prior periods were restated to reflect the retrospective application of adopting the new accounting guidance related to the Company’s investments in qualified affordable housing projects Accounting Standards Update (“ASU”) 2014-01. See Note 10 — Investments in Qualified Affordable Housing Partnerships, Tax Credit and Other Investments, Net to the Consolidated Financial Statements for additional information.