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STOCK-BASED COMPENSATION - 2015 EIP Stock Options and Other (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Mar. 23, 2017	Dec. 31, 2017	Dec. 31, 2017	Dec. 31, 2016	Jun. 26, 2015
Nonemployee Directors
Stock options
Maximum annual limit for grants (in shares)	500,000
Other Individuals
Stock options
Maximum annual limit for grants (in shares)	1,000,000
2015 EIP Plan
Stock options
Aggregate number of shares of common stock available for awards	2,750,000				400,000
2015 EIP Plan | Stock Options
Unrecognized compensation cost
Unamortized compensation cost			$ 341
Future amortization of stock based compensation
2018			254
2019			$ 87
Number of Options
Granted (in shares)		133,000
Exercisable (in shares)		(44,333)
Outstanding at end of period (in shares)		88,667
Weighted Average Exercise Price
Granted (in dollars per share)		$ 11.13
Exercisable (in dollars per share)		11.13
Outstanding at end of period (in dollars per share)		11.13
Weighted Average Fair Value
Granted (in dollars per share)		6.41
Exercisable (in dollars per share)		6.41
Outstanding at end of period (in dollars per share)		$ 6.41
Options outstanding and unvested		88,667	88,667
Options Outstanding, Weighted Average Remaining Contractual Life		5 years 2 months 23 days
Options Exercisable, Number of options			44,333
Options Exercisable, Weighted Average Exercise Price			$ 11.13
Options Exercisable, Weighted Average Remaining Contractual Life		5 years 2 months 23 days
Stock options outstanding - nonvested and exercisable			133,000	0
2015 EIP Plan | Stock Options | General and Administrative Expense
Stock options
Amortization expense		$ 512
2015 EIP Plan | Stock Options | John C. Wobensmith
Stock options
Vesting percentage of awards	33.33%
Vesting period	3 years
Number of Options
Granted (in shares)	133,000
Weighted Average Exercise Price
Granted (in dollars per share)	$ 11.13
Weighted Average Fair Value
Granted (in dollars per share)	$ 6.41
Aggregate fair value	$ 853
Assumptions and Methodology
Weighted average volatility rate (as a percent)	79.80%
Risk-free interest rate ( as a percent)	1.68%
Dividend rate ( as a percent)	0.00%
Expected life (in years)	3 years 9 months 11 days

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