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Significant Accounting Policies - Narrative (Details) | 3 Months Ended | 12 Months Ended |
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Jun. 30, 2019 bulk_disposition | Dec. 31, 2022 USD ($) property segment | Dec. 31, 2021 USD ($) singleFamilyProperty | Dec. 31, 2020 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2022 singleFamilyProperty | Dec. 31, 2022 property | Dec. 31, 2022
Property Subject to or Available for Operating Lease |  |  |  |  |  |  |  |
Carrying value of investments in limited partnerships |  |  | $ 121,950,000 |  | $ 107,347,000 |  |  |
Deferred tax asset and liability, net |  |  |  |  | 0 |  |  |
Net operating loss carryforward |  |  | 25,400,000 |  | 11,800,000 |  |  |
Purchase price |  | $ 595,171,000 | 850,071,000 | $ 269,273,000 |  |  |  |
Impairment of long-lived assets held-for-use |  | 0 | 0 | 0 |  |  |  |
Impairment of intangible assets |  | 0 | 0 | 0 |  |  |  |
Goodwill |  |  | 120,279,000 |  | 120,279,000 |  |  |
Goodwill impairments |  | $ 0 | 0 | 0 |  |  |  |
Impairment charge on joint ventures |  |  |  | 4,900,000 |  |  |  |
Number of bulk disposals | bulk_disposition | 2 |  |  |  |  |  |  |
Revenue recognition period of operating lease |  | 1 year |  |  |  |  |  |
Lease amortization period |  | 1 year |  |  |  |  |  |
Required retirement notice period |  | 6 months |  |  |  |  |  |
Weighted-average period of unvested cost |  | 6 months |  |  |  |  |  |
Number of operating segments | segment |  | 1 |  |  |  |  |  |
Variable Interest Entity, Not Primary Beneficiary | Venture Capital Funds |  |  |  |  |  |  |  |
Property Subject to or Available for Operating Lease |  |  |  |  |  |  |  |
Carrying value of investments in limited partnerships |  |  |  |  | 12,000,000 |  |  |
Maximum exposure to loss |  |  |  |  | 16,100,000 |  |  |
Variable Interest Entity, Not Primary Beneficiary | Deposits |  |  |  |  |  |  |  |
Property Subject to or Available for Operating Lease |  |  |  |  |  |  |  |
Carrying value of investments in limited partnerships |  |  | 0 |  | 14,500,000 |  |  |
Maximum exposure to loss |  |  | $ 0 |  | $ 14,500,000 |  |  |
Gain (Loss) on Investments |  |  |  |  |  |  |  |
Property Subject to or Available for Operating Lease |  |  |  |  |  |  |  |
Impairment charge on joint ventures |  |  |  | 3,500,000 |  |  |  |
Other Operating Income (Expense) |  |  |  |  |  |  |  |
Property Subject to or Available for Operating Lease |  |  |  |  |  |  |  |
Impairment charge on joint ventures |  |  |  | 1,400,000 |  |  |  |
Minimum |  |  |  |  |  |  |  |
Property Subject to or Available for Operating Lease |  |  |  |  |  |  |  |
REIT taxable income allocation, percentage |  |  |  |  |  |  |  | 90.00%
Maximum |  |  |  |  |  |  |  |
Property Subject to or Available for Operating Lease |  |  |  |  |  |  |  |
REIT taxable income allocation, percentage |  |  |  |  |  |  |  | 100.00%
Building and Building Improvements |  |  |  |  |  |  |  |
Property Subject to or Available for Operating Lease |  |  |  |  |  |  |  |
Estimated useful life of asset |  | 30 years |  |  |  |  |  |
Building and Building Improvements | Minimum |  |  |  |  |  |  |  |
Property Subject to or Available for Operating Lease |  |  |  |  |  |  |  |
Estimated useful life of asset |  | 3 years |  |  |  |  |  |
Building and Building Improvements | Maximum |  |  |  |  |  |  |  |
Property Subject to or Available for Operating Lease |  |  |  |  |  |  |  |
Estimated useful life of asset |  | 30 years |  |  |  |  |  |
Single Family Homes |  |  |  |  |  |  |  |
Property Subject to or Available for Operating Lease |  |  |  |  |  |  |  |
Number of properties acquired | property |  | 1,605 |  |  |  |  |  |
Purchase price |  | $ 571,800,000 |  |  |  |  |  |
Number of properties | singleFamilyProperty |  |  |  |  |  | 58,993 |  |
Single Family Homes | Single-family Properties Identified for Future Sale |  |  |  |  |  |  |  |
Property Subject to or Available for Operating Lease |  |  |  |  |  |  |  |
Number of properties |  |  | 659 |  |  | 1,115 | 1,115 |
Impairment of real estate |  | $ 2,500,000 | $ 200,000 | $ 2,000,000 |  |  |  |
Single Family Homes | Minimum |  |  |  |  |  |  |  |
Property Subject to or Available for Operating Lease |  |  |  |  |  |  |  |
Purchase price of properties allocated to land, percent |  | 10.00% |  |  |  |  |  |
Single Family Homes | Maximum |  |  |  |  |  |  |  |
Property Subject to or Available for Operating Lease |  |  |  |  |  |  |  |
Purchase price of properties allocated to land, percent |  | 30.00% |  |  |  |  |  |

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