Consolidated Statements Of Comprehensive Income - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 4,358,000	$ 19,653,000	$ 8,764,000
Other comprehensive income - unrealized gain on change in fair value of cash flow hedges	1,518,000	5,287,000	4,901,000
Comprehensive income	5,876,000	24,940,000	13,665,000
Comprehensive (income) attributable to noncontrolling interests	(490,000)	(530,000)	155,000
Comprehensive income attributable to Cedar Realty Trust, Inc.	$ 5,386,000	$ 24,410,000	$ 13,820,000