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, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Derivatives Fair Value [Line Items]
Fair Value Of SERP Investments	$ 129,067	$ 164,650
Other Liabilities, Fair Value Disclosure	129,067	164,650
Total	130,326
Redeemable Noncontrolling Interests - Operating Partnership/Redeemable Limited Partners	398,188	498,977	$ 440,123	$ 338,951
Forward Starting Swaps [Member]
Derivatives Fair Value [Line Items]
Other Liabilities, Fair Value Disclosure	1,259
Fair Value, Inputs, Level 1 [Member]
Derivatives Fair Value [Line Items]
Fair Value Of SERP Investments	129,067	164,650
Other Liabilities, Fair Value Disclosure	129,067	164,650
Total	129,067
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 Liabilities, Fair Value Disclosure	0
Fair Value, Inputs, Level 2 [Member]
Derivatives Fair Value [Line Items]
Fair Value Of SERP Investments	0	0
Other Liabilities, Fair Value Disclosure	0	0
Total	1,259
Redeemable Noncontrolling Interests - Operating Partnership/Redeemable Limited Partners	398,188	498,977
Fair Value, Inputs, Level 2 [Member] | Forward Starting Swaps [Member]
Derivatives Fair Value [Line Items]
Other Liabilities, Fair Value Disclosure	1,259
Fair Value, Inputs, Level 3 [Member]
Derivatives Fair Value [Line Items]
Fair Value Of SERP Investments	0	0
Other Liabilities, Fair Value Disclosure	0	0
Total	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 Liabilities, Fair Value Disclosure	$ 0