Notes Payable and Unsecured Credit Facilities - Schedule of Maturities of Long-term Debt (Details) - USD ($) $ in Thousands		Jun. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
2023	[1]	$ 35,082
2024		345,786
2025		297,692
2026		331,223
2027		666,703
Beyond 5 Years		2,053,192
Unamortized debt premium/(discount) and issuance costs		(20,604)
Total		3,709,074	$ 3,726,754
Unsecured Debt [Member]
Debt Instrument [Line Items]
Total		3,250,564	$ 3,248,373
Scheduled Principal Payments [Member] | Mortgages [Member]
Debt Instrument [Line Items]
2023	[1]	4,490
2024		5,044
2025		3,942
2026		4,127
2027		3,788
Beyond 5 Years		2,873
Total		24,264
Mortgage Loan Maturities [Member] | Mortgages [Member]
Debt Instrument [Line Items]
2023	[1]	30,592
2024		90,742
2025		43,750
2026		127,096
2027		137,915
Beyond 5 Years		319
Unamortized debt premium/(discount) and issuance costs		3,832
Total		434,246
Unsecured Maturities [Member] | Unsecured Debt [Member]
Debt Instrument [Line Items]
2024	[2]	250,000
2025	[2]	250,000
2026	[2]	200,000
2027	[2]	525,000
Beyond 5 Years	[2]	2,050,000
Unamortized debt premium/(discount) and issuance costs	[2]	(24,436)
Total	[2]	$ 3,250,564

[1] Reflects scheduled principal payments and maturities for the remainder of the year.

[2] Includes unsecured public and private debt and unsecured credit facilities.