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Revenue Recognition - Disaggregation of Lease Income (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Disaggregation of Revenue [Line Items] |  |
Minimum lease payments | $ 39,407 | $ 44,593
Lease income, net | 55,035 | 62,339
Estimated credit losses | (669) | (82)
Billed and unbilled tax and insurance recoveries |  |
Disaggregation of Revenue [Line Items] |  |
Lease income, net | 8,258 | 8,889
Billed and unbilled common area maintenance and other recoveries |  |
Disaggregation of Revenue [Line Items] |  |
Lease income, net | 5,777 | 6,819
Amortization of above and below-market leases and lease inducements, net |  |
Disaggregation of Revenue [Line Items] |  |
Lease income, net | 1,591 | 1,502
Short-term, termination fee, and other lease income |  |
Disaggregation of Revenue [Line Items] |  |
Lease income, net | $ 671 | $ 618

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- Definition Amount of lease income from operating, direct financing, and sales-type leases. Includes, but is not limited to, variable lease payments, interest income, profit (loss) recognized at commencement, and lease payments paid and payable to lessor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77888428&loc=SL77919372-209981 + Details
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- Definition Amount of operating lease income from lease payments paid and payable to lessor. Excludes variable lease payments not included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=109225645&loc=SL77927221-108306 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888428&loc=SL77919372-209981 + Details
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- Definition Amount of expense related to estimated loss to be realized from lease transactions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260 + Details
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