Consolidated Statements Of Comprehensive Income (Loss) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statement Of Income And Comprehensive Income [Abstract]
Net (loss) income	$ (4,389,000)	$ 4,795,000	$ 7,556,000	$ 6,371,000
Other comprehensive income - unrealized (loss) gain on change in fair value of cash flow hedges	(1,028,000)	(4,596,000)	312,000	(9,566,000)
Comprehensive (loss) income	(5,417,000)	199,000	7,868,000	(3,195,000)
Comprehensive (income) loss attributable to noncontrolling interests	(81,000)	112,000	(255,000)	220,000
Comprehensive (loss) income attributable to Cedar Realty Trust, Inc.	$ (5,498,000)	$ 311,000	$ 7,613,000	$ (2,975,000)