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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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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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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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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STOCK-BASED COMPENSATION - 2015 EIP Restricted Stock Units (Details) - 2015 EIP Plan - Restricted Stock Units - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended		6 Months Ended
	Feb. 25, 2020	May 15, 2019	Mar. 04, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Stock Awards
Number of common shares outstanding in respect of RSUs				373,588		373,588		326,247
Number of Shares
Balance at the beginning of the period (in shares)						162,096
Granted (in shares)	173,749	29,580	106,079			178,385
Vested (in shares)						(50,672)
Forfeited (in shares)						(1,490)
Balance at the end of the period (in shares)				288,319		288,319
Weighted Average Fair Value
Balance at the beginning of the period (in dollars per share)						$ 9.26
Granted (in dollars per share)						7.00
Vested (in dollars per share)						9.45
Forfeited (in dollars per share)						8.39
Balance at the end of the period (in dollars per share)				$ 7.83		$ 7.83
Weighted-average remaining contractual life						2 years 14 days
Additional disclosures
Total fair value of shares vested						$ 352	$ 230
Unrecognized compensation cost related to nonvested stock awards
Unrecognized compensation cost				$ 1,274		$ 1,274
Weighted-average period for recognition of unrecognized compensation cost						2 years 14 days
General and Administrative Expense
Additional disclosures
Recognized nonvested stock amortization expense				$ 284	$ 340	$ 560	$ 610
Vested RSUs
Number of Shares
Number of shares vested				472,895		472,895
Weighted Average Fair Value
Vested (in dollars per share)						$ 11.25
Other Individuals
Stock Awards
Vesting period of awards						3 years