Goodwill and Intangible Assets, net - Summary of Finite-Lived Intangible Assets (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Finite-Lived Intangible Assets [Line Items]
At inception	$ 174,476
Accumulated amortization	(8,790)
Total	$ 165,686
Useful Life (in Years)	23 years
Business acquired
Finite-Lived Intangible Assets [Line Items]
At inception	$ 94,419
Accumulated amortization	$ (3,697)
Useful Life (in Years)	30 years
Distribution acquired
Finite-Lived Intangible Assets [Line Items]
At inception	$ 53,996
Accumulated amortization	$ (1,871)
Useful Life (in Years)	17 years
Agency relationships
Finite-Lived Intangible Assets [Line Items]
At inception	$ 16,981
Accumulated amortization	$ (1,489)
Useful Life (in Years)	14 years
Customer relationships
Finite-Lived Intangible Assets [Line Items]
At inception	$ 9,080
Accumulated amortization	$ (1,733)
Useful Life (in Years)	10 years