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v3.19.3.a.u2

Schedule II Valuation and qualifying accounts (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Allowance for doubtful accounts - Tenant rent receivables |  |  |
Movement in valuation and qualifying accounts |  |  |
Balance at beginning of year | $ 200,000 | $ 250,000 | $ 100,000
Additions (Decreases) charged to costs and expenses | 213,000 | 128,000 | 178,000
Deductions | (113,000) | (178,000) | (28,000)
Balance at end of year | 300,000 | 200,000 | 250,000
Allowance for doubtful accounts - Straight-line rent receivable |  |  |
Movement in valuation and qualifying accounts |  |  |
Balance at beginning of year | 50,000 | 50,000 | 50,000
Balance at end of year | $ 50,000 | $ 50,000 | $ 50,000

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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