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Real Estate (Real Estate Impairments) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Lessor, Lease, Description [Line Items] |  |
Impairment losses – real estate, net of recoveries | $ 5,513 | $ 3,245
Minimum |  |
Lessor, Lease, Description [Line Items] |  |
Initial lease term | 10 years |
Maximum |  |
Lessor, Lease, Description [Line Items] |  |
Initial lease term | 20 years |

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- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 + Details
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