EARNINGS PER SHARE (Reconciliation of the Denominators of the Basic and Diluted EPS Computations) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net Income:
Net income	$ 43,690	$ 56,189
Preferred Stock Dividends	2,967	2,967
Net Income available to common shareholders	$ 40,723	$ 53,222
Basic weighted average number of common shares outstanding	75,544,644	78,863,468
Dilutive effect of stock awards and warrants	11,000	21,000
Weighted average shares outstanding, diluted	75,556,127	78,884,235
Basic EPS:
EPS available to common stockholders (dollar per share)	$ 0.54	$ 0.67
Diluted EPS:
Diluted earnings per common share	$ 0.54	$ 0.67