CALCULATION OF WEIGHTED AVERAGE SHARES OUTSTANDING FOR EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Earnings Per Share [Abstract]
Net income	$ 23,793	$ 17,774	$ 85,385
Basic weighted average shares outstanding	32,933,444	34,023,800
Plus unvested restricted stock	118,015	79,927
Diluted weighted shares outstanding	33,051,459	34,103,727
Earnings per common share
Basic	$ 0.72	$ 0.52
Diluted	$ 0.72	$ 0.52