Variable Interest Entities - Summarized Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets:
Net Investment in Real Estate	$ 4,654,098	$ 4,421,559
Operating Lease Right-of-Use Assets	24,244	24,580
Cash and Cash Equivalents	54,252	133,244
Deferred Rent Receivable	138,831	122,918
Prepaid Expenses and Other Assets, Net	231,808	224,190
Total Assets	5,151,664	4,954,322
Liabilities and Partners' Capital:
Accounts Payable, Accrued Expenses and Other Liabilities	177,289	194,031
Operating Lease Liabilities	22,019	22,266
Rents Received in Advance and Security Deposits	101,523	100,166
Total Liabilities and Equity/Partners' Capital	5,151,664	4,954,322
Other Real Estate Partnerships
Assets:
Net Investment in Real Estate	310,450	313,245
Operating Lease Right-of-Use Assets	12,933	13,000
Cash and Cash Equivalents	2,938	2,915
Deferred Rent Receivable	15,336	13,261
Prepaid Expenses and Other Assets, Net	14,284	12,919
Total Assets	355,941	355,340
Liabilities and Partners' Capital:
Accounts Payable, Accrued Expenses and Other Liabilities	11,601	18,148
Operating Lease Liabilities	10,226	10,249
Rents Received in Advance and Security Deposits	7,869	7,917
Partners' Capital	326,245	319,026
Total Liabilities and Equity/Partners' Capital	$ 355,941	$ 355,340