Debt - Schedule of Credit Facilities (Details) - USD ($)	Dec. 31, 2021	Sep. 27, 2021	Sep. 17, 2021	Sep. 16, 2021	Aug. 24, 2021	Aug. 23, 2021	Jul. 29, 2021	Jul. 28, 2021
Homes | Line of Credit
Debt Instrument [Line Items]
Maximum Borrowing Capacity	$ 3,250,000,000
Goldman Sachs Bank USA
Debt Instrument [Line Items]
Maximum Borrowing Capacity		$ 1,250,000,000					$ 750,000,000	$ 500,000,000
Goldman Sachs Bank USA | Homes | Final Maturity Date, April 21, 2023 | Line of Credit
Debt Instrument [Line Items]
Maximum Borrowing Capacity	$ 750,000,000
Weighted Average Interest Rate	2.90%
Citibank, N.A.
Debt Instrument [Line Items]
Maximum Borrowing Capacity					$ 1,000,000,000	$ 500,000,000
Citibank, N.A. | Homes | Final Maturity Date, May 2, 2022 | Line of Credit
Debt Instrument [Line Items]
Maximum Borrowing Capacity	$ 1,000,000,000
Weighted Average Interest Rate	2.84%
Credit Suisse AG, Cayman Islands
Debt Instrument [Line Items]
Maximum Borrowing Capacity			$ 1,500,000,000	$ 500,000,000
Credit Suisse AG, Cayman Islands | Homes | Final Maturity Date, December 31, 2022 | Line of Credit
Debt Instrument [Line Items]
Maximum Borrowing Capacity	$ 1,500,000,000
Weighted Average Interest Rate	2.92%