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SHAREHOLDERS' EQUITY AND EARNINGS PER COMMON SHARE - Preferred Stock (Details) - Series B Convertible Preferred Stock - shares	Dec. 31, 2019	Dec. 31, 2018
Class of Stock [Line Items]
Shares issued upon conversion (shares)	2
Preferred stock issued (shares)	521,607	521,607
Preferred stock, shares outstanding (shares)	521,607	521,607

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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 issued for each share of convertible preferred stock that is converted.

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- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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