Supplemental Detail for Certain Components of Consolidated Balance Sheets - Lease Intangible Liabilities, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Lease intangible liabilities, net, consist of the following at:
Below-market leases	$ 492,331	$ 460,895
Accumulated amortization of below-market leases	(150,656)	(139,697)
Total lease intangible liabilities, net	$ 341,675	$ 321,198

Amount of accumulated amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.

No definition available.

Name:	us-gaap_BelowMarketLeaseAccumulatedAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant