Intrinsic value of equity-based compensation awards granted. Excludes stock and unit options.

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Share-based Compensation Arrangement by Share-based Payment Award, Options, Non Vested, Percentage Of Restricted Stock Units Awarded

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Term of award in which the equity-based award remains in effect, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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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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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of shares authorized for issuance under share-based payment arrangement.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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SHARE BASED COMPENSATION - Narrative (Details) - USD ($)								8 Months Ended	12 Months Ended
	Nov. 30, 2020	Nov. 19, 2020	Aug. 12, 2020	May 21, 2020	May 19, 2020	Mar. 13, 2020	Sep. 15, 2015	Dec. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Apr. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense								$ 845,000	$ 2,106,000	$ 1,905,000	$ 1,587,000
Stock options granted (in shares)									141,000
Percent of RSUs granted									25.00%
Total compensation cost related to non-vested share awards									$ 629,000
Weighted average period to recognize cost									3 years
Award vesting period									4 years
Fair value of stock options granted (in usd per share)									$ 7.255
Stock options outstanding, aggregate intrinsic value									$ 595,000
Weighted average remaining contractual term									9 years 4 months 20 days
Incentive Plan 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares (in shares)							425,000
Term of award							10 years
Incentive Plan 2015 \| LTIP Awards \| Restricted Stock \| Vesting Periods One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares vesting percentage						33.33%
Incentive Plan 2015 \| LTIP Awards \| Restricted Stock \| Vesting Periods Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares vesting percentage						33.33%
Incentive Plan 2015 \| LTIP Awards \| Restricted Stock \| Vesting Periods Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares vesting percentage						33.33%
Restricted Share Awards \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)								0	0	0	9,136
Awards vested during period								$ 147,000	$ 136,000	$ 310,000	$ 1,100,000
Restricted Share Awards \| LTIP Awards \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)									9,709
Awards vested during period									$ 1,227,000
Total compensation cost related to non-vested share awards									$ 644,000
Weighted average period to recognize cost									1 year 4 months 24 days
Award vesting period									3 years
Long Term Incentive Plan \| LTIP Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unamortized value								1,100,000	$ 487,000	1,300,000	448,000
Trustee Awards \| Unrestricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense								$ 348,000	$ 533,000	$ 505,000	$ 389,000
Trustee \| Incentive Plan 2015 \| Award On 19 May 2020 \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)					8,272				8,272
Employees \| Incentive Plan 2015 \| Award On 12 August 2020 \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			480
Employees \| Incentive Plan 2015 \| Award on 19 November 2020 \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		281
Employees \| Incentive Plan 2015 \| Award On 30 November 2020 \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	142
Management \| Incentive Plan 2015 \| Award On 13 March 2020 \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)						8,806
Management \| Incentive Plan 2015 \| Award On 21 May 2020 \| Share-based Payment Arrangement, Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted (in shares)				141,000
Expiration period									10 years