Segment Information - Consolidated Financial Information (Details) $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 01, 2021 segment	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) segment	Sep. 30, 2021 USD ($)
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Number of reportable segments | segment	2			2
Total segment adjusted EBITDA (loss)		$ (12,972)	$ 873	$ (34,311)	$ (18,646)
Reconciling items:
Depreciation and amortization		(8,676)	(4,431)	(21,574)	(10,787)
Non-cash stock-based compensation expense		(5,089)	(6,579)	(20,645)	(30,627)
Acquisition and related expense		(175)	(1,958)	(1,284)	(4,648)
Impairment loss on intangible assets and goodwill		(57,057)		(57,057)
Non-cash losses and impairment of property, equipment and software		(31)	(76)	(101)	(216)
Revaluation of contingent consideration		(565)	(195)	(5,251)	380
Investment income and realized gains		(335)	(248)	(775)	(448)
Operating loss		(84,900)	(12,614)	(140,998)	(64,992)
Vertical Software | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment adjusted EBITDA (loss)		4,956	7,712	13,978	19,041
Insurance | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment adjusted EBITDA (loss)		(2,317)	5,473	(4,099)	3,067
Corporate and other | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment adjusted EBITDA (loss)		$ (15,611)	$ (12,312)	$ (44,190)	$ (40,754)