Segment Information - Consolidated Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment adjusted EBITDA (loss)	$ (1,762)	$ (7,581)
Reconciling items:
Corporate and other	(15,026)	(14,301)
Depreciation and amortization	(6,317)	(6,015)
Impairment loss on intangible assets and goodwill	0	(2,021)
Stock-based compensation expense	(5,368)	(6,894)
Other non-operating income	(1,176)	0
Restructuring costs	(157)	(984)
Acquisition and other transaction costs	(167)	(128)
Change in fair value of contingent consideration	(1,051)	154
Investment income and realized gains	(3,644)	(758)
Operating loss	(34,668)	(38,528)
Vertical Software segment | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment adjusted EBITDA (loss)	1,123	(396)
Insurance segment | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment adjusted EBITDA (loss)	$ (2,885)	$ (7,185)