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Fair Value - Schedule of Carrying Values and Fair Values of Debt Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Carrying Value |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Revolving credit facility | $ 0 | $ 0
Total debt | 5,158,609 | 5,010,762
Carrying Value | Total asset-backed securitizations, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations and unsecured senior notes, net | 427,275 | 924,344
Carrying Value | AMH 2015-SFR1 securitization, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations and unsecured senior notes, net | 0 | 494,635
Carrying Value | AMH 2015-SFR2 securitization, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations and unsecured senior notes, net | 427,275 | 429,709
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 | 4,731,334 | 4,086,418
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 | 497,929 | 497,534
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 | 397,947 | 397,665
Carrying Value | 2030 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 | 641,361 | 0
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 | 443,730 | 443,210
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 | 586,503 | 585,509
Carrying Value | 2034 unsecured senior notes I, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations and unsecured senior notes, net | 594,935 | 594,640
Carrying Value | 2034 unsecured senior notes II, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations and unsecured senior notes, net | 493,681 | 493,336
Carrying Value | 2035 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 | 493,530 | 493,150
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 | 291,961 | 291,807
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 | 289,757 | 289,567
Fair Value |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Revolving credit facility | 0 | 0
Total debt | 4,983,210 | 4,741,998
Fair Value | Total asset-backed securitizations, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations and unsecured senior notes, net | 429,230 | 929,092
Fair Value | AMH 2015-SFR1 securitization, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations and unsecured senior notes, net | 0 | 496,776
Fair Value | AMH 2015-SFR2 securitization, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations and unsecured senior notes, net | 429,230 | 432,316
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 | 4,553,980 | 3,812,906
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 | 497,340 | 488,265
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 | 404,604 | 397,064
Fair Value | 2030 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 | 656,767 | 0
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 | 392,036 | 376,947
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 | 554,850 | 537,174
Fair Value | 2034 unsecured senior notes I, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations and unsecured senior notes, net | 610,626 | 597,504
Fair Value | 2034 unsecured senior notes II, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations and unsecured senior notes, net | 507,305 | 496,185
Fair Value | 2035 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 | 497,060 | 487,335
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 | 199,089 | 198,174
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 | $ 234,303 | $ 234,258

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