CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 72,339	$ 102,007
Accounts receivable, less allowance for doubtful accounts of $1,828 and $2,011	394,342	309,796
Expenditures billable to clients	91,880	63,246
Other current assets	31,733	25,458
Total Current Assets	590,294	500,507
Fixed assets, at cost, less accumulated depreciation of $118,849 and $118,119	50,709	52,071
Investment in non-consolidated affiliates	412	275
Goodwill	882,667	744,333
Other intangibles assets, net	68,817	56,262
Deferred tax asset	21,363	21,131
Other assets	70,756	50,648
Total Assets	1,685,018	1,425,227
Current Liabilities:
Accounts payable	289,505	246,694
Accruals and other liabilities	267,048	240,580
Advance billings	192,906	149,540
Current portion of long-term debt	617	467
Current portion of deferred acquisition consideration	69,138	53,041
Total Current Liabilities	819,214	690,322
Long-term debt	743,599	664,661
Long-term portion of deferred acquisition consideration	111,668	100,872
Other liabilities	32,635	34,430
Deferred tax liabilities	65,413	63,020
Total Liabilities	1,772,529	1,553,305
Redeemable Noncontrolling Interests (Note 2)	164,508	148,534
Commitments, contingencies and guarantees (Note 11)
Shareholders’ Deficit:
Preferred shares, unlimited authorized, none issued
Shares to be issued, 42,000 shares	0	424
Charges in excess of capital	(170,068)	(126,352)
Accumulated deficit	(457,952)	(465,576)
Stock subscription receivable	(55)	(55)
Accumulated other comprehensive loss	(1,143)	(797)
MDC Partners Inc. Shareholders' Deficit	(363,603)	(329,700)
Noncontrolling Interests	111,584	53,088
Total Shareholders' Deficit	(252,019)	(276,612)
Total Liabilities, Redeemable Noncontrolling Interests and Shareholders’ Deficit	1,685,018	1,425,227
Common Class A
Shareholders’ Deficit:
Class A Shares, no par value, unlimited authorized, 49,586,042 and 49,092,427 shares issued and outstanding in 2014 and 2013	265,614	262,655
Class B Shares, no par value, unlimited authorized, 3,755 shares issued and outstanding in 2014 and 2013, each convertible into one Class A share	265,614	262,655
Common Class B
Shareholders’ Deficit:
Class A Shares, no par value, unlimited authorized, 49,586,042 and 49,092,427 shares issued and outstanding in 2014 and 2013	1	1
Class B Shares, no par value, unlimited authorized, 3,755 shares issued and outstanding in 2014 and 2013, each convertible into one Class A share	$ 1	$ 1