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Debt - Narrative (Details) - USD ($) $ in Millions | Mar. 31, 2021 | Dec. 31, 2020
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Mortgages Payable |  |
Mortgages and Line of Credit Facility [Line Items] |  |
Net carrying value of real estate collateralizing the mortgages payable | $ 1,800.0 | $ 1,800.0
Mortgages Payable | Interest rate swaps and caps |  |
Mortgages and Line of Credit Facility [Line Items] |  |
Derivative notional amount | 1,300.0 | 1,300.0
Credit Facility |  |
Mortgages and Line of Credit Facility [Line Items] |  |
Credit facility, maximum borrowing capacity | 1,400.0 | 1,400.0
Credit Facility | Revolving Credit Facility |  |
Mortgages and Line of Credit Facility [Line Items] |  |
Credit facility, maximum borrowing capacity | 1,000.0 | 1,000.0
Credit Facility | Tranche A-1 Term Loan |  |
Mortgages and Line of Credit Facility [Line Items] |  |
Credit facility, maximum borrowing capacity | 200.0 | 200.0
Credit Facility | Tranche A-2 Term Loan |  |
Mortgages and Line of Credit Facility [Line Items] |  |
Credit facility, maximum borrowing capacity | $ 200.0 | $ 200.0

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