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Derivative Instruments and Hedging Activities (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended			6 Months Ended
	Apr. 08, 2025	Jun. 30, 2025	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Apr. 01, 2025
Derivative [Line Items]
Interest expense		$ 162,783		$ 149,642	$ 326,227	$ 311,533
Santa Monica Business Park [Member]
Derivative [Line Items]
Debt	$ 200,000
2024 Unsecured Term Loan
Derivative [Line Items]
Debt	100,000
Interest Rate Swap
Derivative [Line Items]
Derivative, Notional Amount	$ 300,000	900,000	$ 900,000		900,000		$ 300,000
Interest Rate Swap \| Santa Monica Business Park and 2024 Unsecured Term Loan
Derivative [Line Items]
Derivative, Notional Amount		$ 300,000	300,000		$ 300,000
Derivative, Fixed Interest Rate	3.6775%
Derivative, Maturity Date	Apr. 06, 2026				Apr. 06, 2026
Interest expense			$ (500)