Goodwill and Intangible Assets - Cost and Accumulated Amortization (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 154,911	$ 106,542
Less: accumulated amortization	(50,887)	(30,371)
Intangible assets, net	104,024	76,171
Amortization of intangible assets	21,800	12,800
Insurance policy renewal rights
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 17,282	17,557
Insurance policy renewal rights | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Intangible asset useful life	9 years 10 months 24 days
Internally developed software
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 109,764	76,865
Internally developed software | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Intangible asset useful life	3 years 1 month 6 days
Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 12,541	5,004
Trade names and trademarks | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Intangible asset useful life	14 years
Relationships and customer lists
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 13,890	5,652
Relationships and customer lists | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Intangible asset useful life	15 years 4 months 24 days
Other
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 1,434	$ 1,464
Other | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Intangible asset useful life	4 years 4 months 24 days