ACQUISITIONS - Unaudited pro forma information (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) $ / shares
Business Combinations [Abstract]
Total revenues, net of interest expense	$ 110,788
Net income	$ 23,263
Diluted earnings per share (in dollars per share) | $ / shares	$ 2.55