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The number of limited partner units issued.

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The number of limited partner units outstanding.

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The cash outflow for reacquisition of callable preferred stock.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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The cash inflow associated with the amount received from entity's first offering of stock to the public.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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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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Equity - Narrative (Details) $ / shares in Units, $ in Thousands																	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended	17 Months Ended
	Aug. 31, 2018 $ / shares	Aug. 02, 2018 $ / shares	May 31, 2018 $ / shares	May 15, 2018 $ / shares	Feb. 28, 2018 $ / shares	Feb. 13, 2018 $ / shares	Nov. 16, 2017 shares	Nov. 07, 2017 $ / shares	Oct. 24, 2017 $ / shares	Aug. 31, 2017 $ / shares	Aug. 15, 2017 $ / shares	May 31, 2017 $ / shares	May 15, 2017 $ / shares	Feb. 06, 2017 USD ($) shares	Jan. 31, 2017 USD ($)	Jan. 05, 2017 USD ($)	Jan. 31, 2017 USD ($)	Jun. 30, 2018 $ / shares shares	Jun. 30, 2017 $ / shares	Jun. 30, 2018 USD ($) $ / shares shares	Jun. 30, 2017 USD ($)	Dec. 31, 2016 shares	Jun. 30, 2018 $ / shares shares	Jun. 30, 2018 shares	Dec. 31, 2017 shares
Class of Stock [Line Items]
Issuance of common stock (in shares)														310,376,634
Granted (in shares)																				1,025,307
Proceeds from initial offering \| $														$ 1,692,058						$ 0	$ 1,692,058
Offering costs paid \| $														$ 5,726						$ 0	$ 2,757
Shares issued during the period (in shares)																				1,320,227
Restricted share units, net of tax (in shares)																				915,190
Fully vested RSUs (in shares)																				1,219,579
Redemption of OP Units for common stock (in shares)																				405,037
Redeemable OP Units outstanding (in units)																		9,036,578		9,036,578			9,036,578	9,036,578
Dividends declared per common share (in dollars per share) \| $ / shares				$ 0.11		$ 0.11			$ 0.08		$ 0.08		$ 0.06					$ 0.11	$ 0.06	$ 0.22			$ 0.06
Common stock, dividends per share paid (in dollars per share) \| $ / shares			$ 0.11		$ 0.11			$ 0.08		$ 0.08		$ 0.06
Common stock, shares outstanding (in shares)																		520,493,369		520,493,369			520,493,369	520,493,369	519,173,142
Preferred stock, shares outstanding (in shares)																		0		0			0	0	0
Contributions by investors \| $															$ 1,153
Class B Units
Class of Stock [Line Items]
Profit interests, notes receivable distributed \| $																	$ 11,023
Profit interests, cancellations \| $																$ 7,723
Restricted Stock Units (RSUs)
Class of Stock [Line Items]
Granted (in shares)														3,290,126
Fully vested RSUs (in shares)																								1,251,958
IH2
Class of Stock [Line Items]
Common stock, shares issued (in shares)																						1,000
Common stock, shares outstanding (in shares)																						1,000
Preferred shares, shares issued (in shares)																						113
Preferred stock, shares outstanding (in shares)																						113
Preferred stock, dividend rate, percentage																						12.00%
IH1 \| Class B Units
Class of Stock [Line Items]
Profit interests, distributions \| $																$ 11,963
Subsequent Event
Class of Stock [Line Items]
Dividends declared per common share (in dollars per share) \| $ / shares		$ 0.11
Merger with Starwood Waypoint Homes
Class of Stock [Line Items]
Issuance of common stock (in shares)							207,448,958
Units issued (in units)							9,441,615
Conversion ratio from units to shares							1
Forecast \| Subsequent Event
Class of Stock [Line Items]
Common stock, dividends per share paid (in dollars per share) \| $ / shares	$ 0.11