Revenues - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Contract with Customer, Asset, Net	$ 361,834	$ 308,755
Contract with Customer, Liability	97,933	80,997
Offset of revised estimated variable consideration		7,100
Other adjustments		2,100
Deferred Costs	58,200	42,200
Accrued Expenses and Other Liabilities
Segment Reporting Information [Line Items]
Contract with Customer, Liability	67,400	54,000
Other Liabilities
Segment Reporting Information [Line Items]
Contract with Customer, Liability, Noncurrent	$ 30,500	27,000
Cost to Obtain
Segment Reporting Information [Line Items]
Capitalized contract cost, amortization period	15 years
Deferred Costs	$ 19,800	17,800
Capitalized Contract Cost, Amortization	3,800	2,500
Cost to Fulfill
Segment Reporting Information [Line Items]
Deferred Costs	89,300	77,800
Capitalized Contract Cost, Amortization	1,600	3,300
Incentive And Profit-Sharing Contingent Commission Revenue [Member]
Segment Reporting Information [Line Items]
Deferred Revenue, Revenue Recognized	23,300	8,900
Variable consideration, Received	23,300	18,100
2020 Acquisition
Segment Reporting Information [Line Items]
Contract with Customer, Asset, Net		11,500
Contract with Customer, Liability		$ 20,000
2021 Acquisition
Segment Reporting Information [Line Items]
Contract with Customer, Asset, Net	5,500
Contract with Customer, Liability	1,200
2021 Acquisition | Cost to Fulfill
Segment Reporting Information [Line Items]
Capitalized Contract Cost, Amortization	$ 9,900