SHARE BASED COMPENSATION - Performance Based Restricted Stock Activity (Details) - Performance Shares $ / shares in Units, $ in Millions	6 Months Ended
	Jun. 30, 2020 USD ($) $ / shares shares
Number of Shares
Beginning balance (in shares) | shares	233,500
Granted (in shares) | shares	150,000
Vested (in shares) | shares	(33,250)
Forfeited/canceled (in shares) | shares	(31,125)
Ending balance (in share) | shares	319,125
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 20.90
Granted (in dollars per share) | $ / shares	15.46
Vested (in dollars per share) | $ / shares	25.75
Forfeited/canceled (in dollars per share) | $ / shares	17.56
Ending balance (in dollars per share) | $ / shares	$ 18.16
Unamortized stock compensation expense | $	$ 1.9
Weighted-average recognition period (in years)	1 year 4 months 24 days