STOCK-BASED COMPENSATION - 2015 EIP Stock Options and Other (Details) - 2015 EIP Plan - Stock Options - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		6 Months Ended
	Feb. 25, 2020	Mar. 04, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Stock options
Vesting percentage of awards	33.33%
Vesting period	3 years
Unrecognized compensation cost
Unamortized compensation cost			$ 879		$ 879
Future amortization of stock based compensation
Remainder of 2020			389		389
2021			367		367
2022			111		111
2023			$ 12		$ 12
Number of Options
Outstanding at beginning of period (in shares)					322,279
Granted (in shares)	344,568	240,540			344,568
Exercisable (in shares)					(119,923)
Forfeited (in shares)					(3,378)
Outstanding at end of period (in shares)			543,546		543,546
Weighted Average Exercise Price
Outstanding at beginning of period (in dollars per share)					$ 9.41
Granted (in dollars per share)	$ 7.06	$ 8.39			7.06
Exercisable (in dollars per share)					9.87
Forfeited (in dollars per share)					8.07
Outstanding at end of period (in dollars per share)			$ 7.83		7.83
Weighted Average Fair Value
Outstanding at beginning of period (in dollars per share)					4.72
Granted (in dollars per share)	$ 2.01				2.01
Exercisable (in dollars per share)					5.05
Forfeited (in dollars per share)					3.76
Outstanding at end of period (in dollars per share)			2.94		2.94
Weighted Average Exercise Price Of Outstanding Options			$ 8.86		$ 8.86
Options Outstanding, Weighted Average Remaining Contractual Life					5 years 2 months 19 days
Options Exercisable, Number of options			293,792		293,792
Options Exercisable, Weighted Average Exercise Price			$ 10.78		$ 10.78
Options Exercisable, Weighted Average Remaining Contractual Life					3 years 6 months 3 days
Aggregate fair value	$ 693	$ 904
Stock options outstanding - nonvested and exercisable			837,338		837,338		496,148
Assumptions and Methodology
Weighted average volatility rate (as a percent)	53.91%
Risk-free interest rate ( as a percent)	1.41%
Dividend rate ( as a percent)	7.13%
Expected life (in years)	4 years
General and Administrative Expense
Stock options
Amortization expense			$ 192	$ 229	$ 397	$ 411