SHARE-BASED COMPENSATION Restricted Shares (Details) - Employee and Director Restricted Shares	9 Months Ended
	Sep. 30, 2020 $ / shares shares
Number of non-vested restricted  shares
Balance at December 31, 2019 (in shares) | shares	873,087
Granted (in shares) | shares	451,353
Vested (in shares) | shares	(235,833)
Forfeited (in shares) | shares	(210,109)
Balance at September 30, 2020 (in shares) | shares	878,498
Weighted  average grant date fair value
Balance at December 31, 2019 (in dollars per share) | $ / shares	$ 12.83
Granted (in dollars per share) | $ / shares	6.72
Vested (in dollars per share) | $ / shares	13.83
Forfeited (in dollars per share) | $ / shares	10.90
Balance at September 30, 2020 (in dollars per share) | $ / shares	$ 9.88