CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	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 income (loss)	$ 29,878	$ 41,368	$ (24,150)	$ 87,241
Other comprehensive income:
Foreign currency translation	345	(168)	537	674
Change in fair value of interest-rate contracts	354	330	789	376
Change in cash flow hedges reclassed to earnings	199	172	377	344
Total other comprehensive income	898	334	1,703	1,394
Comprehensive income (loss)	30,776	41,702	(22,447)	88,635
Comprehensive income attributable to non-controlling interests:
Allocation of net income	(267)	(310)	(480)	(610)
Foreign currency translation	(98)	(6)	(143)	(268)
Total comprehensive income attributable to non-controlling interests	(365)	(316)	(623)	(878)
Total comprehensive income (loss) attributable to DDR	$ 30,411	$ 41,386	$ (23,070)	$ 87,757