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v3.19.2

Subsequent Events (Details) |  | 1 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Aug. 06, 2019 USD ($) community home | Jul. 31, 2019 USD ($) home | Jun. 30, 2019 USD ($) community | Jun. 30, 2018 USD ($) | Dec. 31, 2018 USD ($)
Subsequent Event [Line Items] |  |  |  |  |
Payments to Acquire Other Real Estate |  |  | $ 152,260,000 | $ 0 |
Number of Communities Held for Sale | community |  |  | 1 |  |
Real Estate Investments, Net |  |  | $ 18,009,444,000 |  | $ 17,730,930,000
AVA Stamford [Member] | Subsequent Event [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of Apartment Homes Sold | home |  | 306 |  |  |
Proceeds from Sale of Real Estate |  | $ 105,000,000 |  |  |
Subsequent Event Dispositions [Member] | Subsequent Event [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of Apartment Homes Sold | community | 222 |  |  |  |
Number of Communities Held for Sale | community | 3 |  |  |  |
Number of Apartment Homes Held for Sale | home | 696 |  |  |  |
Real Estate Investments, Net | $ 84,340,000 |  |  |  |
Number of Communities Sold | community | 1 |  |  |  |
Number of Communities Held for Sale and Not Sold | community | 2 |  |  |  |
Archstone Lexington [Member] | Subsequent Event [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Proceeds from Sale of Real Estate | $ 45,100,000 |  |  |  |
Portico at Silver Spring Metro [Member] | Subsequent Event [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of Apartment Homes Acquired | home |  | 151 |  |  |
Payments to Acquire Other Real Estate |  | $ 43,450,000 |  |  |
Secured Debt [Member] | Notes Payable Maturities 2020 [Member] | Subsequent Event [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Repayments of Secured Debt | 21,700,000 |  |  |  |
Secured Debt [Member] | Notes Payable Maturities 2029 [Member] | Subsequent Event [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Debt Instrument, Face Amount | $ 30,250,000 |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage | 3.26% |  |  |  |

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