Earnings per Share / Unit - Operating Partnership's Computation of Net Income per Common Unit (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Numerator:
Net income	$ 468,142	$ 432,142	$ 310,025
Less:
Preferred distributions	13,944	13,944	17,081
Redemption of perpetual preferred units	0	0	5,276
Allocation to participating securities	1,317	1,083	767
Numerator for income per common share/unit–basic	397,165	365,141	250,014
Numerator for income per common share/unit–diluted	$ 397,165	$ 365,141	$ 250,014
Effect of dilutive securities:
Share-based compensation plan and forward sale equity contracts	535,525	452,248	496,244
American Homes 4 Rent, L.P.
Numerator:
Net income	$ 468,142	$ 432,142	$ 310,025
Less:
Preferred distributions	13,944	13,944	17,081
Redemption of perpetual preferred units	0	0	5,276
Allocation to participating securities	1,317	1,083	767
Numerator for income per common share/unit–basic	452,881	417,115	286,901
Numerator for income per common share/unit–diluted	$ 452,881	$ 417,115	$ 286,901
Weighted-average common units outstanding:
Weighted-average common units outstanding - basic (in shares)	418,830,992	413,401,948	400,667,828
Effect of dilutive securities:
Share-based compensation plan and forward sale equity contracts	535,525	452,248	496,244
Weighted-average common units outstanding-diluted (in shares)	419,366,517	413,854,196	401,164,072
Net income per common unit:
Basic (in dollars per share)	$ 1.08	$ 1.01	$ 0.72
Diluted (in dollars per share)	$ 1.08	$ 1.01	$ 0.71