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Note 2 - Real Estate - Estimated Net Amortization Income (Expense) (Details) $ in Millions | Dec. 31, 2017 USD ($)
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Above-market and below-market leases amortization, net, 2018 | $ 13.2
Above-market and below-market leases amortization, net, 2019 | 14.0
Above-market and below-market leases amortization, net, 2020 | 14.1
Above-market and below-market leases amortization, net, 2021 | 14.3
Above-market and below-market leases amortization, net, 2022 | 13.4
In-place Lease and Tenant Relationships [Member] |
In-place leases and tenant relationships amortization, 2018 | (43.7)
In-place leases and tenant relationships amortization, 2019 | (34.6)
In-place leases and tenant relationships amortization, 2020 | (26.5)
In-place leases and tenant relationships amortization, 2021 | (20.7)
In-place leases and tenant relationships amortization, 2022 | $ (15.9)

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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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