Investment in Equity Securities - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	12 Months Ended
	Jul. 01, 2021	Jul. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jun. 30, 2021	Mar. 31, 2021
Schedule Of Equity Method Investments [Line Items]
Common stock, shares outstanding (in shares)			49,800,756	48,983,735
Carrying value of adjustable convertible equity right			$ 11,298	$ 9,930	$ 7,137
Business combination percentage of share converted into and paid in cash	2.40%
Sharecare equity security, Cost basis	$ 10,500
Average cost per share	$ 0.95
Number of common stock shares permitted to sell			120,000,000	120,000,000
Realized gain			$ 2,500
Unrealized gain			39,200
Realized and unrealized gains			41,700
Net income tax expense on sale of investment			0
Sharecare
Schedule Of Equity Method Investments [Line Items]
Reversed valuation allowance of deferred tax assets related to capital loss carryforwards			$ (10,600)
Period Between December 28, 2021 and March 27, 2022
Schedule Of Equity Method Investments [Line Items]
Number of common stock shares permitted to sell			750,000
Period Between March 28, 2022 and July 1, 2022
Schedule Of Equity Method Investments [Line Items]
Number of common stock shares permitted to sell			750,000
Legacy Sharecare
Schedule Of Equity Method Investments [Line Items]
Common stock, shares outstanding (in shares)				159,309		159,309	159,309
Legacy Sharecare | Other Assets
Schedule Of Equity Method Investments [Line Items]
Carrying value of adjustable convertible equity right				$ 10,800
Sharecare
Schedule Of Equity Method Investments [Line Items]
Common stock, shares outstanding (in shares)		11,079,331	11,079,331
Business combination, cash received		$ 2,700