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	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure		$ 155,109
Other Liabilities, Fair Value Disclosure		134,455
Redeemable Noncontrolling Interests - Operating Partnership/Redeemable Limited Partners	$ 277,782	318,273	$ 370,537	$ 498,977
Forward Starting Swaps [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure		21,864
Other Liabilities, Fair Value Disclosure		1,210
SERP [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure	99,275	133,245
Other Liabilities, Fair Value Disclosure	99,275	133,245
Fair Value, Inputs, Level 1 [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure		133,245
Other Liabilities, Fair Value Disclosure		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
Other Liabilities, Fair Value Disclosure		0
Fair Value, Inputs, Level 1 [Member] | SERP [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure	99,275	133,245
Other Liabilities, Fair Value Disclosure	99,275	133,245
Fair Value, Inputs, Level 2 [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure		21,864
Other Liabilities, Fair Value Disclosure		1,210
Redeemable Noncontrolling Interests - Operating Partnership/Redeemable Limited Partners	277,782	318,273
Fair Value, Inputs, Level 2 [Member] | Forward Starting Swaps [Member]
Derivatives Fair Value [Line Items]
Other Assets, Fair Value Disclosure		21,864
Other Liabilities, Fair Value Disclosure		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
Other Liabilities, Fair Value Disclosure		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
Other Liabilities, Fair Value Disclosure		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