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SHARE-BASED PAYMENTS - Schedule of Share-based Compensation, Restricted Stock, Restricted Stock Units Activity and SAR's (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Expense	$ 360	$ 410
Number of Shares
Granted, nonvested, number of shares (in shares)	440,000	740,000
Restricted Stock Units (RSUs) | Equity Option
Number of Shares
Number of nonvested shares, beginning of period (in shares)	1,094,056
Granted, nonvested, number of shares (in shares)	441,241
Vested, number of shares (in shares)	(635,233)
Nonvested options forfeited, number of shares (in shares)	0
Number of nonvested shares, end of period (in shares)	900,064		1,094,056
Weighted Average Grant Date Fair Value
Nonvested, weighted average grant date fair value, beginning of period (in dollars per share)	$ 1.98
Granted, nonvested, weighted average grant date fair value (in dollars per share)	3.89
Vested, weighted average grant date fair value (in dollars per share)	1.94
Nonvested options forfeited, weighted average grant date fair value (in dollars per share)	0
Nonvested, weighted average grant date fair value, end of period (in dollars per share)	$ 2.94		$ 1.98
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Expense	$ 140	$ 330
Number of Shares
Number of nonvested shares, beginning of period (in shares)	1,720,623	2,165,509	2,165,509
Granted, nonvested, number of shares (in shares)	0		0
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised	0		0
Nonvested options forfeited, number of shares (in shares)	0		(444,886)
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Expirations	0		0
Number of nonvested shares, end of period (in shares)	1,720,623		1,720,623
Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercised, Weighted Average Exercise Price	$ 0		$ 0
Nonvested, weighted average grant date fair value, beginning of period (in dollars per share)	2.92	$ 2.92	2.92
Granted, nonvested, weighted average grant date fair value (in dollars per share)	0		0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expired, Weighted Average Grant Date Fair	0		0
Nonvested options forfeited, weighted average grant date fair value (in dollars per share)	0		2.92
Nonvested, weighted average grant date fair value, end of period (in dollars per share)	$ 2.92		$ 2.92
Stock Appreciation Rights (SARs) | Equity Option
Number of Shares
Number of nonvested shares, beginning of period (in shares)	1,720,623
Granted, nonvested, number of shares (in shares)	0
Vested, number of shares (in shares)	(573,537)
Nonvested options forfeited, number of shares (in shares)	0
Number of nonvested shares, end of period (in shares)	1,147,086		1,720,623
Weighted Average Grant Date Fair Value
Nonvested, weighted average grant date fair value, beginning of period (in dollars per share)	$ 1.25
Granted, nonvested, weighted average grant date fair value (in dollars per share)	0
Vested, weighted average grant date fair value (in dollars per share)	1.25
Nonvested options forfeited, weighted average grant date fair value (in dollars per share)	0
Nonvested, weighted average grant date fair value, end of period (in dollars per share)	$ 1.25		$ 1.25

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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercised, Weighted Average Exercise Price

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Number of non-option equity instruments exercised by participants.

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