Acquired Intangible Assets and Liabilities (Schedule of Intangible Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Intangible assets:
Accumulated amortization	$ (158,984)	$ (144,457)
Acquired lease intangibles, net	76,961	58,203
Intangible liabilities:
Acquired below market lease value	79,914	70,260
Accumulated amortization	(36,575)	(32,342)
Acquired below market lease intangibles, net	43,339	37,918
Acquired in-place lease value [Member]
Intangible assets:
Acquired intangible assets	183,305	156,918
Acquired lease intangibles, net	52,617
Acquired above market lease value [Member]
Intangible assets:
Acquired intangible assets	52,640	$ 45,742
Acquired lease intangibles, net	$ 24,344