EQUITY-BASED COMPENSATION - Director Stock Awards (Details) - Directors - shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Equity-based compensation
Grant of stock (in shares)	34,130	28,426
Common stock issued for director fees	3,543	4,663
Common Stock
Equity-based compensation
Grant of stock (in shares)	34,130	28,426
Common stock issued for director fees	3,543	4,663