The number of properties contributed to the Operating Partnership.

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Conversion Of Preferred Units.

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The number of units issued during the period pursuant to acquisitions.

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Value of number of units issued during the period pursuant to acquisitions.

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Common Stock Per Unit.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

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Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Number of shares of stock issued during the period pursuant to acquisitions.

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- Definition

The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

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-Section 04

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30, 31

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Noncash transactions (Details) (USD $)	12 Months Ended	0 Months Ended	12 Months Ended	0 Months Ended
Noncash transactions (Details) (USD $)	Dec. 31, 2014	Jun. 14, 2013	Dec. 31, 2012	Jun. 10, 2013	Feb. 28, 2013	Dec. 12, 2014	Jun. 11, 2013	Jul. 01, 2014	Dec. 31, 2013
Nonmonetary Transaction
Value of units issued	$ 11,179,000
Single family properties	5,710,671,000us-gaap_RealEstateInvestmentPropertyNet								3,861,422,000us-gaap_RealEstateInvestmentPropertyNet
Class A common shares
Nonmonetary Transaction
Units issued upon conversion		653,492
3.5% Convertible Perpetual Preferred Units
Nonmonetary Transaction
Preferred Units converted into Class A units		653,492
Class A Units
Nonmonetary Transaction
Issuance of units (in shares)			32,667
Operating Partnership \| Series D Convertible Units
Nonmonetary Transaction
Issuance of units (in shares)				4,375,000
Operating Partnership \| Series E Convertible Units
Nonmonetary Transaction
Issuance of units (in shares)				4,375,000
Sponsor
Nonmonetary Transaction
Single family properties						45
Sponsor \| Class B common shares
Nonmonetary Transaction
Issuance of common shares					634,408
Sponsor \| Class A common shares
Nonmonetary Transaction
Issuance of common shares		705,167
Sponsor \| 3.5% Convertible Perpetual Preferred Units
Nonmonetary Transaction
Preferred Units converted into Class A units		653,492
Sponsor \| Class A Units
Nonmonetary Transaction
Issuance of units (in shares)						653,378
Common units issue to Sponsor per unit						$ 17.11
Alaska Joint Venture Acquisition \| Class A common shares
Nonmonetary Transaction
Issuance of common shares							43,609,394
Beazer Rental Homes
Nonmonetary Transaction
Purchase price								257,400,000
Issuance of common shares								8,158,001
Sponsor \| Class A Units
Nonmonetary Transaction
Issuance of units (in shares)						653,378
Common units issue to Sponsor per unit						$ 17.11
Value of units issued						$ 11,200,000
Sponsor \| Operating Partnership
Nonmonetary Transaction
Number of properties contributed to the Operating Partnership					2,770
Sponsor \| Operating Partnership \| Series C Convertible Units
Nonmonetary Transaction
Issuance of units (in shares)					31,085,974
Operating Partnership \| Series D Convertible Units
Nonmonetary Transaction
Issuance of units (in shares)				4,375,000
Common units issue to Sponsor per unit	$ 18.00
Operating Partnership \| Series E Convertible Units
Nonmonetary Transaction
Issuance of units (in shares)				4,375,000
Operating Partnership \| Sponsor \| Class A Units
Nonmonetary Transaction
Issuance of units (in shares)							12,395,965
Operating Partnership \| Alaska Joint Venture Acquisition \| Class A Units
Nonmonetary Transaction
Issuance of units (in shares)							12,395,965