UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019
Current Assets:
Cash and cash equivalents	$ 221,102	$ 106,933
Accounts receivable, less allowance for doubtful accounts of $2,111 and $3,304	407,311	450,403
Expenditures billable to clients	22,763	30,133
Other current assets	44,689	35,613
Total Current Assets	695,865	623,082
Fixed assets, at cost, less accumulated depreciation of $132,174 and $129,579	75,767	81,054
Right-of-use assets - operating leases	216,194	223,622
Goodwill	725,390	740,674
Other intangible assets, net	50,640	54,893
Deferred tax assets	77,378	85,988
Other assets	29,622	30,179
Total Assets	1,870,856	1,839,492
Current Liabilities:
Accounts payable	153,491	200,148
Accruals and other liabilities	325,826	353,575
Advance billings	146,803	171,742
Current portion of lease liabilities - operating leases	48,022	48,659
Current portion of deferred acquisition consideration	46,337	45,521
Total Current Liabilities	720,479	819,645
Long-term debt	1,014,260	887,630
Long-term portion of deferred acquisition consideration	26,399	29,699
Long-term lease liabilities - operating leases	211,254	219,163
Other liabilities	35,523	25,771
Total Liabilities	2,007,915	1,981,908
Redeemable Noncontrolling Interests	35,698	36,973
Commitments, Contingencies, and Guarantees (Note 9)
Shareholders’ Deficit:
Convertible preference shares, 145,000 authorized, issued and outstanding at March 31, 2020 and December 31, 2019	152,746	152,746
Common stock and other paid-in capital	99,587	101,469
Accumulated deficit	(468,508)	(469,593)
Accumulated other comprehensive (loss) income	3,669	(4,269)
MDC Partners Inc. Shareholders' Deficit	(212,506)	(219,647)
Noncontrolling interests	39,749	40,258
Total Shareholders' Deficit	(172,757)	(179,389)	$ (174,273)
Total Liabilities, Redeemable Noncontrolling Interests and Shareholders' Deficit	$ 1,870,856	$ 1,839,492