CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Revenue	$ 309,204	$ 298,542	$ 267,116
Costs and expenses:
Partner Share and other third-party costs	150,578	155,507	141,273
Delivery costs	28,248	30,403	22,503
Sales and marketing expense	57,425	74,745	65,996
Research and development expense	51,352	54,435	38,104
General and administration expense	58,810	81,446	66,222
Acquisition, integration and divestiture (benefits) costs	(6,313)	(2,874)	24,372
Change in fair value of contingent consideration	1,246	(128,174)	1,374
Impairment of goodwill and intangible assets	70,518	453,288	0
Loss on divestiture	6,550	0	0
Depreciation and amortization expense	26,460	37,544	29,871
Total costs and expenses	444,874	756,320	389,715
Operating loss	(135,670)	(457,778)	(122,599)
Other income (expense):
Interest expense, net	(2,336)	(2,556)	(12,563)
Other Nonoperating Income (Expense)	3,304	(6,376)	(1,267)
Total other income (expense)	968	(8,932)	(13,830)
Loss before income taxes	(134,702)	(466,710)	(136,429)
Income tax benefit	0	1,446	7,864
Net Loss	(134,702)	(465,264)	(128,565)
Net Loss attributable to common stockholders	$ (134,702)	$ (465,264)	$ (128,565)
Net loss per share attributable to common stockholders, basic (in shares)	$ (3.69)	$ (13.92)	$ (3.99)
Weighted-average common shares outstanding, basic (in shares)	36,488,000	33,419,000	32,202,000