Segment Information - Consolidated Financial Information (Details) $ in Thousands		1 Months Ended	12 Months Ended
	Jan. 01, 2021 segment	Jun. 30, 2021 segment	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment adjusted EBITDA (loss)			$ (24,020)	$ (18,319)	$ (36,835)
No of reportable segments | segment	2	1	2
Reconciling items:
Depreciation and amortization			$ (16,386)	(6,644)	(7,377)
Non-cash stock-based compensation			(38,592)	(11,296)	(35,972)
Acquisition and related (Income) expense			(5,360)	(311)	(6,704)
Non-cash long-lived asset impairment charge			(550)	(611)	(1,534)
Revaluation of contingent consideration			2,244	(1,700)	300
SPAC transaction bonus				(3,350)
Investment income and realized gains			(701)
Operating loss			(83,365)	(42,231)	(88,122)
Goodwill			225,654	28,289	18,274	$ 21,305
Vertical Software
Reconciling items:
Goodwill			182,800
Vertical Software | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment adjusted EBITDA (loss)			20,733	12,718	4,616
Insurance
Reconciling items:
Goodwill			42,900
Insurance | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment adjusted EBITDA (loss)			9,007	405
Corporate and other | Corporate
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment adjusted EBITDA (loss)			$ (53,760)	(30,001)	(36,645)
Divested Businesses
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment adjusted EBITDA (loss)				$ (1,441)	$ (4,806)