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Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Carrying Value
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Revolving credit facility	$ 0	$ 90,000
Total debt	4,503,113	4,461,647
Carrying Value | Total asset-backed securitizations
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	1,407,380	1,871,421
Carrying Value | AMH 2014-SFR2 securitization
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	0	460,507
Carrying Value | AMH 2014-SFR3 securitization
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	474,351	475,854
Carrying Value | AMH 2015-SFR1 securitization
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	499,594	500,713
Carrying Value | AMH 2015-SFR2 securitization
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	433,435	434,347
Carrying Value | Total unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	3,095,733	2,500,226
Carrying Value | 2028 unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	496,943	496,745
Carrying Value | 2029 unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	397,248	397,107
Carrying Value | 2031 unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	442,431	442,172
Carrying Value | 2032 unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	584,018	583,521
Carrying Value | 2034 unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	594,239	0
Carrying Value | 2051 unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	291,575	291,498
Carrying Value | 2052 unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	289,279	289,183
Fair Value
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Revolving credit facility	0	90,000
Total debt	4,215,889	4,219,737
Fair Value | Total asset-backed securitizations
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	1,416,213	1,883,246
Fair Value | AMH 2014-SFR2 securitization
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	0	463,237
Fair Value | AMH 2014-SFR3 securitization
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	477,149	478,833
Fair Value | AMH 2015-SFR1 securitization
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	502,352	503,668
Fair Value | AMH 2015-SFR2 securitization
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	436,712	437,508
Fair Value | Total unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	2,799,676	2,246,491
Fair Value | 2028 unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	480,425	486,875
Fair Value | 2029 unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	392,600	396,956
Fair Value | 2031 unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	366,399	371,817
Fair Value | 2032 unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	527,580	539,304
Fair Value | 2034 unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	596,826	0
Fair Value | 2051 unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	200,355	207,264
Fair Value | 2052 unsecured senior notes, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total asset-backed securitizations and unsecured senior notes, net	$ 235,491	$ 244,275

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