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Subsequent Events (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 6 Months Ended | 1 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 Sold Properties [Member] Property | Aug. 07, 2014 Subsequent Event [Member] | Aug. 07, 2014 Subsequent Event [Member] 6% Convertible Guaranteed Note [Member] | Aug. 07, 2014 Subsequent Event [Member] Sold Properties [Member] Property | Aug. 07, 2014 Office Building [Member] Subsequent Event [Member] Philadelphia Pennsylvania [Member]
Subsequent Event [Line Items] |  |  |  |  |  |  |
Number of properties sold |  |  | 6 |  |  | 3 |
Proceeds from sale of real estate | $ 33,226 | $ 47,236 |  | $ 48,300 |  |  |
Amount of debt converted |  |  |  |  | 1,400 |  |
Converted debt, shares issued | 414,637 | 6,167,111 |  |  | 209,466 |  |
Payments to acquire additional interest in subsidiaries | $ 1,962 | $ 0 |  |  |  |  | $ 2,100
Percent ownership in real estate |  |  |  |  |  |  | 87.50%

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- Definition The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition The cash outflow associated with the purchase of noncontrolling interest during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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