CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Comprehensive income (loss)
Net income (loss)	$ 21,984	$ (31,081)	$ 25,768	$ (51,765)
Other comprehensive income (loss), net of applicable tax:
Foreign currency translation adjustment	1,912	(2,331)	1,294	8,354
Other comprehensive income (loss)	(1,912)	2,331	(1,294)	(8,354)
Comprehensive income (loss) for the period	20,072	(28,750)	24,474	(60,119)
Comprehensive income attributable to the noncontrolling interests	(4,695)	(569)	(9,063)	(4,481)
Comprehensive income (loss) attributable to MDC Partners Inc.	$ 15,377	$ (29,319)	$ 15,411	$ (64,600)