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Real Estate Investments (Details Textual) $ in Thousands, ft² in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 USD ($) ft² | Jun. 30, 2017 USD ($) ft² | Dec. 31, 2016 USD ($) ft²
Real Estate Properties [Line Items] |  |  |
Proceeds from Sale of Real Estate | $ 11,700 | $ 21,900 |
Gains (Losses) on Sales of Investment Real Estate | $ 4,800 | $ 9,500 |
Number of Real Estate Properties | 413 | 413 | 366
Land Subject to Ground Leases | ft² | 7.9 | 7.9 | 7.0
Real Estate Investment Property, Net, Total | $ 1,081,350 | $ 1,081,350 | $ 950,261
Four Development And PCS Projects [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Property Subject to or Available for Operating Lease, Gross | 24,100 | 24,100 |
Seven Development And PCS Projects [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Property Subject to or Available for Operating Lease, Gross | 45,900 | 45,900 |
Eleven Retail Net Lease Assets [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Payments to Acquire Property, Plant, and Equipment | $ 131,200 |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (in year) | 12 years 8 months 12 days |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land | $ 35,700 | 35,700 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Buildings | 106,700 | 106,700 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | $ 42,000 | 42,000 |
Thirty Six Retail Net Lease Assets [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Payments to Acquire Property, Plant, and Equipment |  | $ 184,400 |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (in year) |  | 12 years 1 month 6 days |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Amount of facility held for productive use including, but not limited to, office, production, storage and distribution facilities, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Amount of real estate acquired, at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14(d)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
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- Definition Cash received for the sale of real estate that is not part of an investing activity during the current 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=66902209&loc=d3e3179-108585 + Details
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