Transactions - Vital Decisions (Details) - USD ($) $ in Thousands, shares in Millions		3 Months Ended	6 Months Ended
	Oct. 01, 2021	Mar. 31, 2022	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Purchase consideration:
Cash			$ 9,070	$ 1,472
Liabilities assumed:
Goodwill			$ 426,228	$ 349,009	$ 426,297	$ 349,029
Customer relationships
Liabilities assumed:
Useful life		14 years 10 months 24 days	14 years 4 months 24 days
Technology
Liabilities assumed:
Useful life		2 years	1 year 8 months 12 days
Corporate trade name
Liabilities assumed:
Useful life		12 years 4 months 24 days	11 years 10 months 24 days
Vital Decisions
Business Acquisition [Line Items]
Voting interests acquired	100.00%
Equity interest issued or issuable, number of shares (in shares)	1.8
Contingent consideration arrangements (up to)	$ 45,000
Fair value of contingent consideration	14,600
Purchase consideration:
Cash	46,500
Fair value of Class A common stock issued	56,626
Fair value of contingent consideration	14,600
Total consideration	117,726
Tangible assets acquired:
Cash and cash equivalents	1,430
Accounts receivable	3,301
Prepaid expenses and other current assets	78
Other non-current assets	2,564
Total tangible assets acquired	7,373
Identifiable intangible assets acquired:
Identifiable intangible assets	40,000
Liabilities assumed:
Accounts payable	93
Accrued liabilities	661
Accrued compensation and employee benefits	970
Deferred tax liabilities, net	499
Deferred revenue	2,000
Operating lease liabilities	2,712
Total liabilities assumed	6,935
Goodwill	77,288
Net assets acquired	117,726
Goodwill, expected tax deductible amount	69,600
Vital Decisions | Customer relationships
Identifiable intangible assets acquired:
Identifiable intangible assets	$ 32,500
Liabilities assumed:
Useful life	13 years
Vital Decisions | Technology
Identifiable intangible assets acquired:
Identifiable intangible assets	$ 5,000
Liabilities assumed:
Useful life	5 years
Vital Decisions | Corporate trade name
Identifiable intangible assets acquired:
Identifiable intangible assets	$ 2,500
Liabilities assumed:
Useful life	15 years