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Real Estate (Amortization of Acquired Lease Intangibles) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Above-Market and Below-Market In-Place Lease Intangibles |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization expense, above- and below-market leases | $ 768 | $ 2,622 | $ 3,355
2020 | 695 |  |
2021 | 590 |  |
2022 | 466 |  |
2023 | 383 |  |
2024 | 379 |  |
Thereafter | 7,262 |  |
Leases, net | $ 9,775 |  |
Weighted average amortization period (years) | 18 years |  |
In-Place Lease Intangibles |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization expense, in-place leases | $ 7,900 | 9,209 | $ 18,841
2020 | 7,502 |  |
2021 | 6,800 |  |
2022 | 6,339 |  |
2023 | 5,833 |  |
2024 | 5,138 |  |
Thereafter | 23,316 |  |
Leases, net | $ 54,928 | $ 44,074 |
Weighted average amortization period (years) | 10 years 3 months 18 days |  |

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- Definition Amount of non-cash amortization of intangible asset (liability) for above and below market leases. + 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 + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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