CALCULATION OF WEIGHTED AVERAGE SHARES OUTSTANDING FOR EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Earnings Per Share [Abstract]
Net income	$ 20,957	$ 13,249	$ 38,731	$ 25,383	$ 45,222
Basic weighted average shares outstanding	34,069,234	20,725,833	34,053,105	20,245,905
Plus unvested restricted stock	47,264	63,700	37,542	55,543
Diluted weighted shares outstanding	34,116,498	20,789,533	34,090,647	20,301,448
Earnings per common share
Basic	$ 0.62	$ 0.64	$ 1.14	$ 1.25
Diluted	$ 0.61	$ 0.64	$ 1.14	$ 1.25