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Real Estate (Schedule of Real Estate Assets) (Details) - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Real Estate Properties [Line Items] |  |
Land and land improvements | $ 1,327,235 | $ 1,326,957
Buildings and improvements | 1,684,743 | 1,818,606
Less: accumulated depreciation and amortization | (473,162) | (468,849)
Real estate, net | 2,538,816 | 2,676,714
Real estate available and held for sale | 288,021 | 285,982
Total real estate | 2,826,837 | 2,962,696
Net Lease |  |
Real Estate Properties [Line Items] |  |
Land and land improvements | 310,196 | 311,890
Buildings and improvements | 1,232,001 | 1,240,593
Less: accumulated depreciation and amortization | (378,847) | (364,323)
Real estate, net | 1,163,350 | 1,188,160
Real estate available and held for sale | 2,708 | 4,521
Total real estate | 1,166,058 | 1,192,681
Operating Properties |  |
Real Estate Properties [Line Items] |  |
Land and land improvements | 142,892 | 146,417
Buildings and improvements | 452,742 | 578,013
Less: accumulated depreciation and amortization | (85,168) | (96,159)
Real estate, net | 510,466 | 628,271
Real estate available and held for sale | 138,187 | 162,782
Total real estate | 648,653 | 791,053
Land |  |
Real Estate Properties [Line Items] |  |
Land and land improvements | 874,147 | 868,650
Buildings and improvements | 0 | 0
Less: accumulated depreciation and amortization | (9,147) | (8,367)
Real estate, net | 865,000 | 860,283
Real estate available and held for sale | 147,126 | 118,679
Total real estate | $ 1,012,126 | $ 978,962

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- Definition Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Amount before accumulated deprecation and depletion of real estate held for productive use and additions or improvements to real estate held for productive use, examples include, but are not limited to, walkways, driveways, fences, and parking lots. Excludes land held for sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6812-107765 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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