Intangible Assets and Liabilities - Intangibles - Future Amortization (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Future Amortization of Intangible Liabilities:
Finite-lived intangible liabilities, net	$ (63,223)	$ (69,846)
2022	21,208
2023	17,730
2024	13,697
2025	9,511
2026	7,464
Thereafter	34,046
Finite-lived intangibles, net	103,656
Below-Market Leases
Future Amortization of Intangible Liabilities:
2022	(11,169)
2023	(9,635)
2024	(8,920)
2025	(8,354)
2026	(6,583)
Thereafter	(18,562)
Finite-lived intangible liabilities, net	$ (63,223)	(68,219)
Weighted average remaining lease term	7 years
In-Place Leases
Future Amortization of Intangible Assets:
2022	$ 27,424
2023	23,196
2024	19,210
2025	15,452
2026	12,056
Thereafter	32,200
Finite-lived intangible assets, net	$ 129,538	145,290
Weighted average remaining lease term	6 years
Above-Market Leases
Future Amortization of Intangible Assets:
2022	$ 4,542
2023	3,769
2024	3,007
2025	2,013
2026	1,591
Thereafter	4,615
Finite-lived intangible assets, net	$ 19,537	24,960
Weighted average remaining lease term	7 years
Below-Market Ground Leases
Future Amortization of Intangible Assets:
2022	$ 411
2023	400
2024	400
2025	400
2026	400
Thereafter	15,793
Finite-lived intangible assets, net	$ 17,804	$ 17,240
Weighted average remaining lease term	63 years