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STOCK-BASED COMPENSATION - 2015 EIP Stock Options and Other (Details) - 2015 EIP Plan - USD ($) $ / shares in Units, $ in Thousands					12 Months Ended
	Feb. 23, 2021	Feb. 25, 2020	Nov. 05, 2019	Mar. 04, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Mar. 19, 2021	Mar. 18, 2021	Mar. 23, 2017	Mar. 22, 2017	Jun. 26, 2015
Stock options
Aggregate number of shares of common stock available for awards								4,750,000	2,750,000	2,750,000	400,000	400,000
Nonemployee Directors
Additional disclosures
Maximum annual limit for grants (in shares)										500,000
Other Individuals
Additional disclosures
Maximum annual limit for grants (in shares)										1,000,000
Stock Options
Stock options
Vesting percentage of awards	33.33%	33.33%		33.33%
Vesting period	3 years	3 years		3 years
Unrecognized compensation cost
Unamortized compensation cost					$ 367
Future amortization of stock based compensation
2022					278
2023					81
2024					$ 8
Number of Options
Outstanding at beginning of period (in shares)					837,338	496,148	255,608
Granted (in shares)	118,552	344,568		240,540	118,552	344,568	240,540
Exercised (in shares)					(39,603)
Forfeited (in shares)						(3,378)
Outstanding at end of period (in shares)					916,287	837,338	496,148
Weighted Average Exercise Price
Outstanding at beginning of period (in dollars per share)					$ 8.86	$ 10.11	$ 12.36
Granted (in dollars per share)	$ 9.91	$ 7.06		$ 8.065	9.91	7.06	8.33
Exercised (in dollars per share)					8.37
Forfeited (in dollars per share)						8.07
Outstanding at end of period (in dollars per share)					9.02	8.86	10.11
Weighted Average Fair Value
Outstanding at beginning of period (in dollars per share)					4.02	5.41	6.96
Granted (in dollars per share)	$ 4.33	$ 2.01		$ 3.76	4.33	2.01	3.76
Exercised (in dollars per share)					3.46
Forfeited (in dollars per share)						3.76
Outstanding at end of period (in dollars per share)					$ 4.08	$ 4.02	$ 5.41
Options outstanding and unvested					427,318
Weighted Average Exercise Price Of Outstanding and Unvested Options					$ 8.04
Options Outstanding and Unvested, Weighted Average Remaining Contractual Life					4 years 3 months
Options Exercisable, Number of options					488,969	293,792	173,869
Options Exercisable, Weighted Average Exercise Price					$ 9.88	$ 10.78	$ 11.41
Options Exercisable, Weighted Average Fair Value (in dollars per share)					$ 5.04	$ 6.01	$ 6.68
Options Exercisable, Weighted Average Remaining Contractual Life					2 years 7 months 2 days
Aggregate fair value	$ 513	$ 693		$ 904
Stock options outstanding					916,287	837,338	496,148
Assumptions and Methodology
Weighted average volatility rate (as a percent)	60.91%	53.91%		55.23%
Risk-free interest rate ( as a percent)	0.41%	1.41%		2.49%
Dividend rate ( as a percent)	0.98%	7.13%		0.00%
Expected life (in years)	4 years	4 years		4 years
Stock Options | General and Administrative Expense
Stock options
Amortization expense					$ 635	$ 787	$ 850
Stock Options | Exercise Price - $8.065
Weighted Average Exercise Price
Granted (in dollars per share)			$ 8.065
Stock Options | Exercise Price - $7.06
Weighted Average Exercise Price
Granted (in dollars per share)		$ 7.06
Stock Options | Exercise Price - $9.91
Weighted Average Exercise Price
Granted (in dollars per share)	$ 9.91

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