Business Combinations - Additional Information (Details) $ in Thousands	9 Months Ended
Sep. 30, 2021 USD ($) numberOfBusinessCombinations
Business Acquisition [Line Items]
Number of Businesses Acquired \| numberOfBusinessCombinations	10
Business combinations aggregate purchase price	$ 387,523
Goodwill, amortization period for tax purposes	15 years
Total revenues recognized from business combinations	$ 18,800
Net income (loss) recognized from business combinations	(1,200)
Acquisition related costs incurred	2,400
LeaseTrack
Business Acquisition [Line Items]
Business combinations aggregate purchase price	$ 20,752
Effective date of acquisition	Feb. 01, 2021
Medicare Help Now
Business Acquisition [Line Items]
Effective date of acquisition	Mar. 01, 2021
Only Medicare Solutions
Business Acquisition [Line Items]
Effective date of acquisition	Apr. 01, 2021
Seniors' Insurance Services
Business Acquisition [Line Items]
Effective date of acquisition	Apr. 30, 2021
Mid-Continent
Business Acquisition [Line Items]
Effective date of acquisition	Apr. 30, 2021
RogersGray
Business Acquisition [Line Items]
Business combinations aggregate purchase price	$ 195,484
Effective date of acquisition	Jul. 01, 2021
EBSME
Business Acquisition [Line Items]
Effective date of acquisition	Jul. 30, 2021
FounderShield
Business Acquisition [Line Items]
Business combinations aggregate purchase price	$ 56,505
Effective date of acquisition	Aug. 02, 2021
The Capital Group
Business Acquisition [Line Items]
Business combinations aggregate purchase price	$ 62,293
Effective date of acquisition	Aug. 02, 2021
River Oak Risk
Business Acquisition [Line Items]
Business combinations aggregate purchase price	$ 27,734
Effective date of acquisition	Aug. 04, 2021

Amortization period for goodwill for income taxes.

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- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

+ References

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- Definition

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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- Definition

The number of businesses acquired by the entity during the period.

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