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Real Estate (Other Dispositions) (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jun. 30, 2018 USD ($) | Sep. 30, 2018 USD ($) | [1] | Sep. 30, 2017 USD ($) lease | Sep. 30, 2018 USD ($) property | Sep. 30, 2017 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Income from sales of real estate | $ 24,500 | $ 5,409 | $ 19,313 | [1] | $ 79,353 | [1] | $ 28,267 | [1]
Number of master leases | lease |  |  | 2 |  |  |  |  |
Fair value in excess of carrying value |  |  | $ 1,500 |  |  |  |  |
Operating Properties |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Proceeds |  |  |  |  | 228,700 |  | 21,800 |
Income from sales of real estate |  |  |  |  | $ 54,500 |  | 3,300 |
Number of real estate properties sold | property |  |  |  |  | 6 |  |  |
Net Lease |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Proceeds |  |  |  |  | $ 38,400 |  | 61,700 |
Income from sales of real estate |  |  |  |  | $ 24,900 |  | 25,000 |
Number of real estate properties sold | property |  |  |  |  | 3 |  |  |
Total |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Proceeds |  |  |  |  | $ 267,100 |  | 83,500 |
Income from sales of real estate |  |  |  |  | 79,400 |  | $ 28,300 |
Operating Properties, Noncontrolling Interest |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Income from sales of real estate |  |  |  |  | $ 9,800 |  |  |
Number of real estate properties sold | property |  |  |  |  | 1 |  |  |
[1] | Income from sales of real estate represents gains from sales of real estate that do not qualify as discontinued operations

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- Definition Number of Master Lease Assets + References No definition available. + Details
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- Definition Number of Real Estate Properties Sold + References No definition available. + Details
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- Definition Real Estate Acquired, Fair Value in Excess of Carrying Value + References No definition available. + Details
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- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + 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=98514028&loc=d3e3179-108585 + Details
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