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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2021	Dec. 31, 2020
Preferred shares, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred shares, shares authorized (in shares)	100,000,000	100,000,000
Preferred stock, shares issued (in shares)	15,400,000	35,350,000
Preferred shares, shares outstanding (in shares)	15,400,000	35,350,000
American Homes 4 Rent, L.P. | General Partner
Common units, shares/units issued (in shares)	322,843,258	316,656,460
Common units, shares/units outstanding (in shares)	322,843,258	316,656,460
Preferred units, shares/units issued (in shares)	15,400,000	35,350,000
Preferred units, shares/units outstanding (in shares)	15,400,000	35,350,000
American Homes 4 Rent, L.P. | Limited Partners
Common units, shares/units issued (in shares)	51,376,980	51,726,980
Common units, shares/units outstanding (in shares)	51,376,980	51,726,980
Class A common shares/units
Common shares, par value (in dollars per share)	$ 0.01	$ 0.01
Common shares, shares authorized (in shares)	450,000,000	450,000,000
Common stock, shares issued (in shares)	322,208,183	316,021,385
Common stock, shares outstanding (in shares)	322,208,183	316,021,385
Class B common shares
Common shares, par value (in dollars per share)	$ 0.01	$ 0.01
Common shares, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	635,075	635,075
Common stock, shares outstanding (in shares)	635,075	635,075

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