Intangibles (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Intangible assets:
Acquired lease intangibles	$ 1,369,747	$ 1,230,886
Goodwill	1,046,140	1,051,650
Accumulated amortization	(944,403)	(941,462)
Net intangible assets	$ 1,506,001	$ 1,376,944
Weighted Average Remaining Amortization Period in Years	7 years 1 month 6 days	10 years 3 months 18 days
Intangible liabilities:
Below-market lease intangibles (1)	$ 334,365	$ 339,265
Other lease intangibles	13,608	13,498
Accumulated amortization	(244,975)	(212,655)
Purchase option intangibles	3,568	3,568
Net intangible liabilities	$ 106,566	$ 143,676
Below market leases, remaining weighted average amortization period	9 years 8 months 12 days	14 years 3 months 18 days
Net intangible liabilities, remaining weighted average amortization period	9 years 8 months 12 days	14 years 3 months 18 days
Intangibles
Net amortization expense	$ 29,300	$ 45,700	$ 59,200
2022	123,144
2023	111,976
2024	57,729
2025	9,764
2026	5,972
Above Market Lease Intangibles
Intangible assets:
Acquired lease intangibles	$ 129,121	$ 140,096
Weighted Average Remaining Amortization Period in Years	5 years 10 months 24 days	6 years 4 months 24 days
In-Place and Other Lease Intangibles
Intangible assets:
Acquired lease intangibles	$ 1,240,626	$ 1,090,790
Weighted Average Remaining Amortization Period in Years	7 years 2 months 12 days	10 years 8 months 12 days
Other Intangibles
Intangible assets:
Other intangibles (2)	$ 34,517	$ 35,870
Weighted Average Remaining Amortization Period in Years	6 years 6 months	10 years