Intangible Assets and Below Market Lease Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Assets:
Deferred leasing costs (including lease incentives and above market lease and in-place lease acquisition-related intangible assets)	$ 401,693		$ 402,013
Deferred leasing costs, accumulated amortization	(149,486)		(143,111)
Deferred leasing costs, net/Total scheduled future amortization of intangible assets	252,207		258,902
Liabilities (in accounts payable, accrued expenses and other liabilities):
Acquisition-related below market lease liabilities, gross	56,955		57,703
Acquisition-related below market lease liabilities, accumulated amortization	(29,597)		(28,978)
Acquisition-related below market lease liabilities, net	27,358		$ 28,725
Deferred Leasing Costs and Acquisition-Related Intangible Assets (in Depreciation and Amortization) [Member]
Assets:
Deferred leasing costs, net/Total scheduled future amortization of intangible assets	226,454
Amortization of intangible assets and below market lease liabilities [Abstract]
Amortization of intangible assets	11,245	$ 8,571
Lease Incentives (in Rental and Other Revenues) [Member]
Assets:
Deferred leasing costs, net/Total scheduled future amortization of intangible assets	10,399
Amortization of intangible assets and below market lease liabilities [Abstract]
Amortization of intangible assets	450	448
Acquisition-Related Intangible Assets (in Rental and Other Revenues) [Member]
Assets:
Deferred leasing costs, net/Total scheduled future amortization of intangible assets	15,354
Amortization of intangible assets and below market lease liabilities [Abstract]
Amortization of intangible assets	830	277
Acquisition-Related Below Market Lease Liabilities (in Rental and Other Revenues) [Member]
Liabilities (in accounts payable, accrued expenses and other liabilities):
Acquisition-related below market lease liabilities, net	27,358
Amortization of intangible assets and below market lease liabilities [Abstract]
Amortization of acquisition-related below market lease liabilities	$ (1,367)	$ (1,429)