CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Revenue	$ 42,476	$ 39,867	$ 76,717	$ 70,834
Operating expenses:
Platform operations	20,854	18,263	38,626	33,151
Sales and marketing	11,083	8,422	21,413	16,480
Technology and development	4,153	2,670	8,438	5,133
General and administrative	5,103	7,977	10,704	10,114
Total operating expenses	41,193	37,332	79,181	64,878
Income (loss) from operations	1,283	2,535	(2,464)	5,956
Interest expense, net	(47)	(610)	(156)	(1,210)
Gain on change in fair value of Seller's Earn-Out	37,419	0	12,763	0
Gain on change in fair value of warrants	18,523	0	2,587	0
Gain on deconsolidation of SymetryML	0	0	1,939	0
Loss on change in fair value of SAFE Notes	0	0	(788)	0
Loss on fair value of investment in SymetryML Holdings	(10)	0	(10)	0
Other (expense) income, net	(1)	20	(19)	20
Total other income (expense), net	55,884	(590)	16,316	(1,190)
Net income before benefit (provision) for income taxes	57,167	1,945	13,852	4,766
Benefit (provision) for income taxes	610	(584)	1,635	(1,572)
Net income	57,777	1,361	15,487	3,194
Less: Net loss attributable to noncontrolling interest	0	171	550	341
Net income attributable to AdTheorent Holding Company, Inc.	$ 57,777	$ 1,532	$ 16,037	$ 3,535
Earnings per share:
Basic	$ 0.67	$ 0.03	$ 0.19	$ 0.06
Diluted	$ 0.62	$ 0.02	$ 0.17	$ 0.06
Weighted-average common shares outstanding:
Basic	85,766,302	59,873,921	85,755,210	59,863,656
Diluted	93,402,650	67,078,778	93,263,518	63,688,104