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Fair Value - Carrying Value and Fair Value (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Carrying Value |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations | $ 1,895,269 | $ 1,908,346
Total unsecured senior notes, net | 2,493,898 | 1,622,132
Revolving credit facility | 0 | 350,000
Total debt | 4,389,167 | 3,880,478
Carrying Value | AH4R 2014-SFR2 securitization |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations | 466,825 | 470,039
Carrying Value | AH4R 2014-SFR3 securitization |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations | 481,567 | 485,005
Carrying Value | AH4R 2015-SFR1 securitization |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations | 507,107 | 510,585
Carrying Value | AH4R 2015-SFR2 securitization |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations | 439,770 | 442,717
Carrying Value | 2028 unsecured senior notes, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total unsecured senior notes, net | 495,759 | 495,166
Carrying Value | 2029 unsecured senior notes, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total unsecured senior notes, net | 396,402 | 395,990
Carrying Value | 2031 unsecured senior notes, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total unsecured senior notes, net | 440,873 | 440,095
Carrying Value | 2032 unsecured senior notes, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total unsecured senior notes, net | 581,041 | 0
Carrying Value | 2051 unsecured senior notes, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total unsecured senior notes, net | 291,112 | 290,881
Carrying Value | 2052 unsecured senior notes, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total unsecured senior notes, net | 288,711 | 0
Fair Value |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations | 1,914,810 | 1,952,026
Total unsecured senior notes, net | 2,079,368 | 1,766,149
Revolving credit facility | 0 | 350,000
Total debt | 3,994,178 | 4,068,175
Fair Value | AH4R 2014-SFR2 securitization |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations | 471,249 | 479,464
Fair Value | AH4R 2014-SFR3 securitization |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations | 486,365 | 495,659
Fair Value | AH4R 2015-SFR1 securitization |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations | 512,425 | 521,639
Fair Value | AH4R 2015-SFR2 securitization |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total asset-backed securitizations | 444,771 | 455,264
Fair Value | 2028 unsecured senior notes, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total unsecured senior notes, net | 461,625 | 554,895
Fair Value | 2029 unsecured senior notes, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total unsecured senior notes, net | 375,716 | 463,840
Fair Value | 2031 unsecured senior notes, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total unsecured senior notes, net | 340,875 | 442,953
Fair Value | 2032 unsecured senior notes, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total unsecured senior notes, net | 492,774 | 0
Fair Value | 2051 unsecured senior notes, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total unsecured senior notes, net | 188,400 | 304,461
Fair Value | 2052 unsecured senior notes, net |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total unsecured senior notes, net | $ 219,978 | $ 0

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