XML 134 R115.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Subsequent Events/Other - Additional Information (Details) $ in Thousands |  | 2 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 01, 2019 USD ($) | Feb. 21, 2019 USD ($) Property ApartmentUnit | Dec. 31, 2018 USD ($) Property ApartmentUnit | Dec. 31, 2017 USD ($) Property ApartmentUnit | Dec. 31, 2016 USD ($) ApartmentUnit
Subsequent Event [Line Items] |  |  |  |  |
Properties acquired | Property |  |  | 5 | 4 |
Property Units acquired | ApartmentUnit |  |  | 1,478 | 947 |
Purchase Price |  |  | $ 707,005 | $ 468,050 |
Debt instrument, maturity date |  |  | Jan. 10, 2022 |  |
Disposed units | ApartmentUnit |  |  | 1,292 | 1,194 |
Proceeds from sale of property |  |  | $ 708,820 | $ 388,400 |
Interest and other income |  |  | $ 15,317 | $ 6,136 | $ 65,773
Military Housing [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Disposed units | ApartmentUnit |  |  |  |  | 5,161
Proceeds from sale of property |  |  |  |  | $ 63,300
Interest and other income |  |  |  |  | $ 52,400
Mortgages [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Debt instrument, maturity date |  |  | May 28, 2061 | May 28, 2061 |
Fannie Mae Pool 3 [Member] | Mortgages [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  | 6.08% | 5.987% |
Subsequent Event [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Properties acquired | Property |  | 3 |  |  |
Property Units acquired | ApartmentUnit |  | 579 |  |  |
Purchase Price |  | $ 258,700 |  |  |
Subsequent Event [Member] | Fannie Mae Pool 3 [Member] | Mortgages [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Proceeds from issuance of long-term debt | $ 288,100 |  |  |  |
Debt instrument, maturity date | Mar. 01, 2029 |  |  |  |
Debt instrument, interest rate, stated percentage | 3.94% |  |  |  |

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