STOCK-BASED COMPENSATION, Restricted Stock Units (Details) - Restricted Stock Units [Member] $ / shares in Units, $ in Millions	9 Months Ended
	Sep. 30, 2019 USD ($) $ / shares shares
Number of Shares [Roll Forward]
Outstanding at beginning of year (in shares) | shares	0
Granted (in shares) | shares	81,200
Exercised (in shares) | shares	0
Forfeited (in shares) | shares	0
Balance at ending of period (in shares) | shares	81,200
Exercisable at end of period (in shares) | shares	0
Vested at end of period (in shares) | shares	0
Weighted-Average Exercise Price [Abstract]
Outstanding at beginning of year (in dollar per share) | $ / shares	$ 0
Granted (in dollars per share) | $ / shares	19.46
Exercised (in dollars per share) | $ / shares	0
Forfeited (in dollars per share) | $ / shares	0
Balance at ending of period (in dollars per share) | $ / shares	19.46
Exercisable at end of period (in dollars per share) | $ / shares	0
Vested at end of period (in dollars per share) | $ / shares	$ 0
Award vesting period	5 years
Unrecognized compensation cost | $	$ 2.9
Weighted average remaining period, recognition of compensation cost	2 years 22 days