Intangible Assets and Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Intangible Assets and Goodwill
Accumulated Amortization					$ (20,798)
Accumulated Amortization And Impairment	$ (34,967)		$ (34,967)
Intangible assets, Gross	146,695		146,695		150,628
Intangible assets, net	111,728		111,728		129,830
Aggregate amortization expense	7,600	$ 3,000	18,500	$ 7,000
Trademarks and tradenames
Intangible Assets and Goodwill
Indefinite-lived intangible assets					4,750
Insurance licenses
Intangible Assets and Goodwill
Accumulated Amortization And Impairment	0		0
Indefinite-lived intangible assets	4,960		$ 4,960		$ 4,960
Customer relationships
Intangible Assets and Goodwill
Weighted Average Useful Life (in years)			8 years		9 years
Finite lived Intangible Assets, gross	67,789		$ 67,789		$ 56,810
Accumulated Amortization					(6,760)
Accumulated Amortization And Impairment	(13,073)		(13,073)
Finite lived Intangible Assets, Net	54,716		$ 54,716		$ 50,050
Acquired technology
Intangible Assets and Goodwill
Weighted Average Useful Life (in years)			5 years		5 years
Finite lived Intangible Assets, gross	37,932		$ 37,932		$ 48,135
Accumulated Amortization					(10,095)
Accumulated Amortization And Impairment	(14,657)		(14,657)
Finite lived Intangible Assets, Net	23,275		$ 23,275		$ 38,040
Trademarks and tradenames
Intangible Assets and Goodwill
Weighted Average Useful Life (in years)			12 years		12 years
Finite lived Intangible Assets, gross	25,171		$ 25,171		$ 25,389
Accumulated Amortization					(2,587)
Accumulated Amortization And Impairment	(4,652)		(4,652)
Finite lived Intangible Assets, Net	20,519		$ 20,519		$ 22,802
Non-compete agreements
Intangible Assets and Goodwill
Weighted Average Useful Life (in years)			3 years		2 years
Finite lived Intangible Assets, gross	619		$ 619		$ 450
Accumulated Amortization					(251)
Accumulated Amortization And Impairment	(388)		(388)
Finite lived Intangible Assets, Net	231		$ 231		$ 199
Value of business acquired
Intangible Assets and Goodwill
Weighted Average Useful Life (in years)			1 year		1 year
Finite lived Intangible Assets, gross	400		$ 400		$ 400
Accumulated Amortization					(294)
Accumulated Amortization And Impairment	(400)		(400)
Finite lived Intangible Assets, Net	0		$ 0		$ 106
Renewal rights
Intangible Assets and Goodwill
Weighted Average Useful Life (in years)			6 years		6 years
Finite lived Intangible Assets, gross	9,824		$ 9,824		$ 9,734
Accumulated Amortization					(811)
Accumulated Amortization And Impairment	(1,797)		(1,797)
Finite lived Intangible Assets, Net	8,027		$ 8,027		$ 8,923
Acquired technology, trademarks and tradenames, and customer relationship
Intangible Assets and Goodwill
Aggregate amortization expense	$ 17,700			$ 0