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Fair Value Measurements (Tables) | 3 Months Ended
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Mar. 31, 2013
Fair Value Measurements [Abstract] |
Schedule of Fair Value Measurement Inputs [Table Text Block] | The following tables present the Company's assets and liabilities from continuing operations measured at fair value on a recurring and non-recurring basis as of March 31, 2013 and December 31, 2012, aggregated by the level in the fair value hierarchy within which those measurements fall:
| Balance |  | Fair Value Measurements Using
Description | March 31, 2013 |  | (Level 1) |  | (Level 2) |  | (Level 3)
Interest rate swap liability | $ | (5,522 | ) |  | $ | — |  |  | $ | (5,522 | ) |  | $ | — |
Impaired real estate assets* | $ | 4,277 |  |  | $ | — |  |  | $ | — |  |  | $ | 4,277 |
| Balance |  | Fair Value Measurements Using
Description | December 31, 2012 |  | (Level 1) |  | (Level 2) |  | (Level 3)
Interest rate swap liability | $ | (6,556 | ) |  | $ | — |  |  | $ | (6,556 | ) |  | $ | — |
Impaired real estate assets* | $ | 3,327 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,327 |
*Represents a non-recurring fair value measurement.
Schedule of Carrying Amounts and Fair Value of Financial Instruments [Table Text Block] | The table below sets forth the carrying amounts and estimated fair values of the Company's financial instruments as of March 31, 2013 and December 31, 2012.
| As of March 31, 2013 |  | As of December 31, 2012
| Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value
Assets |  |  |  |  |  |  |
Loans Receivable | $ | 82,660 |  |  | $ | 72,081 |  |  | $ | 72,540 |  |  | $ | 61,734 |
Liabilities |  |  |  |  |  |  |  |  |  |  |
Debt | $ | 1,691,265 |  |  | $ | 1,640,211 |  |  | $ | 1,878,208 |  |  | $ | 1,835,157 |

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- Definition Schedule of Carrying Amounts and Fair Value of Financial Instruments [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of the fair value measurement of assets and liabilities which includes [financial] instruments measured at fair value that are classified in stockholders' equity. Such assets and liabilities may be measured on a recurring or nonrecurring basis. The disclosures which may be required or desired include: (1) for assets and liabilities measured on a recurring basis, disclosure may include: (a) the fair value measurements at the reporting date; (b) the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3); (c) for fair value measurements using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (i) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (ii) purchases, sales, issuances, and settlements (net); (iii) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs); (d) the amount of the total gains or losses for the period in subparagraph (c) (i) above included in earnings (or changes in net assets) that are attributable to the change in unrealized gains or losses relating to those assets and liabilities still held at the reporting date and a description of where those unrealized gains or losses are reported in the statement of income (or activities); (e) the valuation technique(s) used to measure fair value and a discussion of changes in valuation techniques, if any, during the period and (2) for assets and liabilities that are measured at fair value on a nonrecurring basis (for example, impaired assets) disclosure may include, in addition to (a) above: (a) the reasons for the fair value measurements recorded; (b) the same as (b) above; (c) for fair value measurements using significant unobservable inputs (Level 3), a description of the inputs and the information used to develop the inputs; and (d) the valuation technique(s) used to measure fair value and a discussion of changes, if any, in the valuation technique(s) used to measure similar assets and/or liabilities in prior periods. Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 33 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19296-110258 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 6 -Footnote 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19190-110258 + Details
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