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Investments in Real Estate and Real Estate Under Construction - Schedule of Net Real Estate (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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Investments in Real Estate and Real Estate Under Construction [Line Items] |  |
Buildings and building improvements | $ 3,050,082 | $ 3,032,457
Land, land estates and land improvements | 472,394 | 743,125
Fixtures and equipment | 5,577 | 5,577
Construction in progress | 5,119 | 8,552
Real estate - intangible assets | 597,294 | 692,778
Investments in real estate under construction | 106,652 | 95,402
Real estate, gross | 4,237,118 | 4,577,891
Accumulated depreciation and amortization | (1,208,792) | (1,179,969)
Real estate, net | 3,028,326 | 3,397,922
Accumulated amortization | 363,861 | 367,762
Amortization expense, next 12 months | 30,919 |
Amortization expense, year 2 | 26,664 |
Amortization expense, year 3 | 21,742 |
Amortization expense, year 4 | 17,598 |
Amortization expense, year 5 | 16,135 |
Leases, Acquired-in-Place [Member] |  |
Investments in Real Estate and Real Estate Under Construction [Line Items] |  |
Real estate - intangible assets | 436,185 | 513,564
Customer Relationships [Member] |  |
Investments in Real Estate and Real Estate Under Construction [Line Items] |  |
Real estate - intangible assets | 113,839 | 123,796
Above Market Leases [Member] |  |
Investments in Real Estate and Real Estate Under Construction [Line Items] |  |
Real estate - intangible assets | 47,270 | 55,418
LCIF [Member] |  |
Investments in Real Estate and Real Estate Under Construction [Line Items] |  |
Buildings and building improvements | 644,173 | 705,547
Land, land estates and land improvements | 86,120 | 355,608
Fixtures and equipment | 84 | 84
Construction in progress | 825 | 367
Real estate - intangible assets | 104,761 | 189,700
Investments in real estate under construction | 40,443 | 9,223
Real estate, gross | 876,406 | 1,260,529
Accumulated depreciation and amortization | (236,930) | (255,024)
Real estate, net | 639,476 | 1,005,505
Accumulated amortization | 54,425 | 55,334
Amortization expense, next 12 months | 4,767 |
Amortization expense, year 2 | 4,215 |
Amortization expense, year 3 | 3,466 |
Amortization expense, year 4 | 3,353 |
Amortization expense, year 5 | 3,339 |
LCIF [Member] | Leases, Acquired-in-Place [Member] |  |
Investments in Real Estate and Real Estate Under Construction [Line Items] |  |
Real estate - intangible assets | 82,190 | 165,413
LCIF [Member] | Customer Relationships [Member] |  |
Investments in Real Estate and Real Estate Under Construction [Line Items] |  |
Real estate - intangible assets | 19,943 | 20,256
LCIF [Member] | Above Market Leases [Member] |  |
Investments in Real Estate and Real Estate Under Construction [Line Items] |  |
Real estate - intangible assets | $ 2,628 | $ 4,031

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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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