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v3.21.1

Organization, Basis of Presentation and Significant Accounting Policies (Details) ft² in Thousands, $ in Thousands | 3 Months Ended | 15 Months Ended
--- | --- | ---
Mar. 31, 2021 USD ($) home residential_condominium community state ft² | Mar. 31, 2021 home residential_condominium community state ft²
Real Estate Properties [Line Items] |  |
Number of operating apartment communities | community | 275 | 275
Number of apartment homes included in operating apartment communities owned | home | 81,227 | 81,227
Number of states where operating apartment communities owned are located | state | 11 | 11
Number of owned communities under construction | community | 15 | 15
Expected number of apartment homes under construction | home | 4,560 | 4,560
Number of Residential Condominium Units Sold | residential_condominium | 10 | 80
Communities under development rights | community | 25 | 25
Estimated number of apartment homes in communities to be developed | home | 8,075 | 8,075
Accounts Receivable, Credit Loss Expense (Reversal) | $ | $ 18,645 |
The Park Loggia [Member] |  |
Real Estate Properties [Line Items] |  |
Number Of Residential Condominium Units | residential_condominium | 172 | 172
Commercial Square Feet | ft² | 66 | 66
Percent of Commercial Square Feet Leased | 87.00% | 87.00%

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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(5)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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