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Investments in Real Estate - Additional Information (Detail) $ in Thousands | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Oct. 31, 2019 USD ($) Property | Sep. 30, 2019 USD ($) Property | Dec. 31, 2018 USD ($) Property
Real Estate Properties [Line Items] |  |  |
Number of multifamily properties owned |  | 57 |
Number of units located with multifamily properties |  | 15,536 |
Real estate held for sale | $ |  | $ 32,381 | $ 77,285
Number of units in real estate properties acquired |  | 488 |
Purchase Price | $ |  | $ 76,000 |
Raleigh, NC | Subsequent Event |  |  |
Real Estate Properties [Line Items] |  |  |
Number of units in real estate properties acquired | 318 |  |
Purchase Price | $ | $ 52,925 |  |
Held-for-sale |  |  |
Real Estate Properties [Line Items] |  |  |
Number of multifamily properties owned |  | 1 | 3
Held-for-sale | Iron Rock [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Number of units located with multifamily properties |  | 300 |
Real estate property location |  | Austin, TX |
Real estate held for sale | $ |  | $ 32,381 |

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- Definition Payments to acquire real estate including transaction fees. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(f)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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