Intangible Assets and Goodwill - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 251,905	$ 297,645	$ 225,654	$ 28,289	$ 18,274
Acquisitions			38,064	197,365	10,176
Divestitures					(161)
Impairment loss	(4,300)	(39,400)	(43,758)	0	0
Purchase price adjustments			24,737
Goodwill, Ending Balance	$ 244,697	$ 251,905	244,697	225,654	28,289
Insurance segment
Goodwill [Roll Forward]
Impairment loss			$ (43,700)	$ 0	$ 0