EQUITY COMPENSATION (Phantom Shares) (Details) $ / shares in Units, $ in Millions	9 Months Ended
	Sep. 30, 2019 USD ($) $ / shares shares
Weighted Average Grant Date Fair Value
Unrecognized compensation expenses | $	$ 83.1
Phantom Shares
Units
Balance at the beginning of the period (in units or shares) | shares	66,287
Vested (in units) | shares	(61,502)
Forfeited (in units) | shares	(4,785)
Balance at the end of the period (in units or shares) | shares	0
Weighted Average Grant Date Fair Value
Balance at the beginning of the period (in dollars per share) | $ / shares	$ 19.00
Vested (in dollars per share) | $ / shares	19.00
Forfeited (in dollars per share) | $ / shares	19.00
Balance at the end of the period (in dollars per share) | $ / shares	$ 0
Settle vested phantom shares | $	$ 1.5