CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Revenues	$ 67,057	$ 79,005	$ 204,301	$ 220,037
Costs and Expenses [Abstract]
Partner Share and other third-party costs	30,675	36,144	94,476	108,698
Delivery costs	7,830	7,012	21,664	20,451
Sales and marketing expense	13,163	14,161	41,306	43,314
Research and development expense	13,194	12,430	39,712	38,841
General and administration expense	12,076	15,561	42,712	44,907
Acquisition, integration and divestiture benefit	0	78	162	(8,146)
Change in contingent consideration	100	8,281	110	(15,045)
Impairment of goodwill and intangible assets	131,595	0	131,595	0
Depreciation and amortization expense	6,970	5,990	19,749	19,765
Total costs and expenses	215,603	99,657	391,486	252,785
Operating Loss	(148,546)	(20,652)	(187,185)	(32,748)
Other (expense) income:
Interest expense, net	(1,479)	(915)	(3,859)	(1,497)
Foreign currency gain (loss)	4,843	(2,399)	4,312	379
Gain on debt extinguishment	0	0	13,017	0
Total other income (expense)	3,364	(3,314)	13,470	(1,118)
Loss before income taxes	(145,182)	(23,966)	(173,715)	(33,866)
Net Income (Loss) Attributable to Parent, Total	$ (145,182)	$ (23,966)	$ (173,715)	$ (33,866)
Net loss per share attributable to common stockholders, basic (in USD per share)	$ (2.90)	$ (0.63)	$ (3.66)	$ (0.95)
Net loss per share attributable to common stockholders, diluted (in USD per share)	$ (2.90)	$ (0.63)	$ (3.66)	$ (0.95)
Weighted-average common shares outstanding, basic (in shares)	50,028,000	37,982,000	47,469,000	35,502,000
Weighted-average common shares outstanding, diluted (in shares)	50,028,000	37,982,000	47,469,000	35,502,000