Risk Management and Use of Derivative Financial Instruments - Narratives (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Summary of Derivative Instruments
Net collateral posted for derivatives	$ 0		$ 0		$ 0
Derivative, remaining maturity (in years)	59 months		59 months
Total credit exposure on derivatives	$ 30,100,000		$ 30,100,000
Derivatives, net liability position	600,000		600,000		1,700,000
Aggregate termination value for immediate settlement	600,000		600,000		$ 1,700,000
Other comprehensive income foreign currency (losses) gains	108,000,000	$ 215,000,000	38,600,000	$ 528,400,000
Individual Counterparty
Summary of Derivative Instruments
Total credit exposure on derivatives	$ 4,900,000		4,900,000
Interest expense
Summary of Derivative Instruments
Estimated amount reclassified from OCI to expense (gain)			(2,900,000)
Non-operating income
Summary of Derivative Instruments
Estimated amount reclassified from OCI to expense (gain)			$ (13,900,000)