Segment Reporting - Schedule of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Revenues	$ 147,694	$ 115,498	$ 278,466	$ 139,612
Cost of revenues (exclusive of depreciation and amortization shown separately below)	32,422	19,986	64,586	23,911
General and administrative	36,207	29,106	65,482	44,977
Depreciation and amortization	1,726	500	3,111	795
Income from operations	17,927	19,484	31,647	15,552
Interest expense – net	2,699	16,839	6,641	33,158
Loss on extinguishment of debt	0	0	(4,285)	0
Other income	(8,800)		(6,600)
Income (loss) before income taxes	24,060	2,645	27,274	(17,606)
Marketplace
Segment Reporting Information [Line Items]
Revenues	129,914	104,648	240,430	126,641
Cost of revenues (exclusive of depreciation and amortization shown separately below)	18,553	13,707	34,962	16,407
Marketing and selling	59,412	46,422	113,640	54,377
Contribution margin	51,949	44,519	91,828	55,857
Resale
Segment Reporting Information [Line Items]
Revenues	17,780	10,850	38,036	12,971
Cost of revenues (exclusive of depreciation and amortization shown separately below)	13,869	6,279	29,624	7,504
Marketing and selling	0	0	0	0
Contribution margin	3,911	4,571	8,412	5,467
Consolidated
Segment Reporting Information [Line Items]
Revenues	147,694	115,498	278,466	139,612
Cost of revenues (exclusive of depreciation and amortization shown separately below)	32,422	19,986	64,586	23,911
Marketing and selling	59,412	46,422	113,640	54,377
Contribution margin	55,860	49,090	100,240	61,324
General and administrative	36,207	29,106	65,482	44,977
Depreciation and amortization	1,726	500	3,111	795
Income from operations	17,927	19,484	31,647	15,552
Interest expense – net	2,699	16,839	6,641	33,158
Loss on extinguishment of debt	0		4,285
Other income	(8,832)		(6,553)
Income (loss) before income taxes	$ 24,060	$ 2,645	$ 27,274	$ (17,606)