Earnings per Share / Unit - Computation of Earnings per Share (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) $ / shares shares	Mar. 31, 2022 USD ($) $ / shares shares
Numerator:
Net income	$ 137,699	$ 70,014
Less:
Noncontrolling interest	16,748	8,312
Dividends on preferred shares	3,486	5,763
Allocation to participating securities	328	197
Numerator for income per common share/unit–basic and diluted	$ 117,137	$ 55,742
Denominator:
Weighted-average common shares outstanding - basic (in shares) | shares	360,353,124	345,742,526
Effect of dilutive securities:
Share-based compensation plan and forward sale equity contracts | shares	321,246	738,297
Weighted-average common shares outstanding - diluted (in shares) | shares	360,674,370	346,480,823
Net income per common share/unit
Basic (in dollars per share) | $ / shares	$ 0.33	$ 0.16
Diluted (in dollars per share) | $ / shares	$ 0.32	$ 0.16
Exchange rate	1
American Homes 4 Rent, L.P.
Numerator:
Net income	$ 137,699	$ 70,014
Less:
Dividends on preferred shares	3,486	5,763
Allocation to participating securities	328	197
Numerator for income per common share/unit–basic and diluted	$ 133,885	$ 64,054
Denominator:
Weighted-average common units outstanding - basic (in shares) | shares	411,730,104	397,119,506
Effect of dilutive securities:
Share-based compensation plan and forward sale equity contracts | shares	321,246	738,297
Weighted-average common units outstanding - diluted (in shares) | shares	412,051,350	397,857,803
Net income per common share/unit
Basic (in dollars per share) | $ / shares	$ 0.33	$ 0.16
Diluted (in dollars per share) | $ / shares	$ 0.32	$ 0.16