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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 |

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