Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Mortgages, Notes and Loans Payable, Net - Debt Compliance (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2018	Sep. 30, 2018
Debt Instrument [Line Items]
Restricted cash requirement	$ 43,000,000
$700 Million loan due 2023
Debt Instrument [Line Items]
Face amount			$ 700,000,000
$700 Million loan due 2023 \| Term Loan
Debt Instrument [Line Items]
Face amount		$ 615,000,000	$ 615,000,000	$ 615,000,000.0