Represents the number of executive officers.

No definition available.

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- Definition

The number of grants made to each independent members of the board of directors during the period on other than stock (or unit) option plans.

+ References

No definition available.

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- Definition

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

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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

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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- Definition

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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- Definition

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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- Definition

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.

+ References

No definition available.

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- Definition

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

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- Definition

Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).

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STOCK-BASED COMPENSATION PLANS - Narrative (Details) - Restricted share awards $ in Thousands		1 Months Ended					12 Months Ended
	Mar. 06, 2015 officer shares	Jul. 31, 2019 shares	May 31, 2019 shares	May 31, 2018 shares	Jun. 30, 2017 shares	May 31, 2016 shares	Dec. 31, 2019 USD ($) shares	Dec. 31, 2018 USD ($) shares	Dec. 31, 2017 USD ($) shares
Share-based compensation plans
Granted (in shares) \| shares							3,880	3,378	3,195
Unrecognized compensation expense \| $							$ 75
Fair value of shares vested \| $							150	$ 150	$ 203
Directors Independent
Share-based compensation plans
Award granted to each independent members of the board of directors (in shares) \| shares		81	889	1,126	1,065	1,131
Granted (in shares) \| shares		324	3,556	3,378	3,195	3,393
Award vesting period			1 year
Board of directors
Share-based compensation plans
Award vesting period				1 year	1 year	1 year
Stock-based compensation expense \| $							194	162	153
Executive officers
Share-based compensation plans
Stock-based compensation expense \| $							$ 0	$ 0	$ 1
Number of executive officers \| officer	2
Common stock issued (in shares) \| shares	666
Share-based Compensation Award, Tranche One \| Executive officers
Share-based compensation plans
Award vesting period	2 years
Vesting rights	33.00%
Share-based Compensation Award, Tranche Two \| Executive officers
Share-based compensation plans
Award vesting period	2 years
Vesting rights	33.00%