Fair Value Measurements - Summary of Fair Value Measurements for Each Major Category of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure	$ 155,359	$ 155,109
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets
Other Liabilities, Fair Value Disclosure	$ 130,650	134,455
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities
Redeemable Noncontrolling Interests - Operating Partnership/Redeemable Limited Partners	$ 355,319	318,273	$ 398,188	$ 498,977
Forward Starting Swaps [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure	25,224	21,864
Other Liabilities, Fair Value Disclosure	515	1,210
SERP [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure	130,135	133,245
Other Liabilities, Fair Value Disclosure	130,135	133,245
Fair Value, Inputs, Level 1 [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure	130,135	133,245
Other Liabilities, Fair Value Disclosure	130,135	133,245
Redeemable Noncontrolling Interests - Operating Partnership/Redeemable Limited Partners	0	0
Fair Value, Inputs, Level 1 [Member] | Forward Starting Swaps [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure	0	0
Other Liabilities, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | SERP [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure	130,135	133,245
Other Liabilities, Fair Value Disclosure	130,135	133,245
Fair Value, Inputs, Level 2 [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure	25,224	21,864
Other Liabilities, Fair Value Disclosure	515	1,210
Redeemable Noncontrolling Interests - Operating Partnership/Redeemable Limited Partners	355,319	318,273
Fair Value, Inputs, Level 2 [Member] | Forward Starting Swaps [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure	25,224	21,864
Other Liabilities, Fair Value Disclosure	515	1,210
Fair Value, Inputs, Level 2 [Member] | SERP [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure	0	0
Other Liabilities, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure	0	0
Other Liabilities, Fair Value Disclosure	0	0
Redeemable Noncontrolling Interests - Operating Partnership/Redeemable Limited Partners	0	0
Fair Value, Inputs, Level 3 [Member] | Forward Starting Swaps [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure	0	0
Other Liabilities, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 [Member] | SERP [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure	0	0
Other Liabilities, Fair Value Disclosure	$ 0	$ 0