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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
CONSOLIDATED BALANCE SHEETS
Unbilled rent receivable related to property held-for-sale	$ 120us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet
Preferred stock, par value (in dollars per share)	$ 1us-gaap_PreferredStockParOrStatedValuePerShare	$ 1us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, shares authorized	12,500us-gaap_PreferredStockSharesAuthorized	12,500us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Common stock, par value (in dollars per share)	$ 1us-gaap_CommonStockParOrStatedValuePerShare	$ 1us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized	25,000us-gaap_CommonStockSharesAuthorized	25,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	15,728us-gaap_CommonStockSharesIssued	15,221us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	15,728us-gaap_CommonStockSharesOutstanding	15,221us-gaap_CommonStockSharesOutstanding

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Amount classified as accounts, notes and loans receivable attributable to disposal group held for sale or disposed of.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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