Business Combinations - Narrative (Details) $ in Thousands, £ in Millions						12 Months Ended
	Jan. 10, 2022 USD ($)	Jan. 10, 2022 GBP (£)	Dec. 31, 2021 USD ($)	Dec. 29, 2021 USD ($)	Sep. 09, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jan. 10, 2022 GBP (£)
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill			$ 738,900			$ 738,900	$ 735,810	$ 734,274
Hub and Spoke Innovations
Acquired Finite-Lived Intangible Assets [Line Items]
Base purchase price	$ 3,400	£ 2.5
Total purchase price transferred	3,400	£ 2.5
Goodwill	2,500								£ 1.9
Intangible assets	$ 1,100								£ 0.8
MarkeTouch Media
Acquired Finite-Lived Intangible Assets [Line Items]
Base purchase price			82,000
Total purchase price transferred			82,369
Goodwill			42,273			42,273
Intangible assets			38,000			38,000
Goodwill expected to be deductible for tax purposes			$ 42,300			$ 42,300
MarkeTouch Media | Discount Rate
Acquired Finite-Lived Intangible Assets [Line Items]
Measurement input used in estimating the fair values of intangible assets			0.115			0.115
MarkeTouch Media | Acquired Technology | Royalty Rate
Acquired Finite-Lived Intangible Assets [Line Items]
Measurement input used in estimating the fair values of intangible assets			0.100			0.100
ReCept
Acquired Finite-Lived Intangible Assets [Line Items]
Base purchase price				$ 100,000
Total purchase price transferred				97,239
Goodwill				77,644
Intangible assets				28,100
Goodwill expected to be deductible for tax purposes				$ 0
ReCept | Discount Rate
Acquired Finite-Lived Intangible Assets [Line Items]
Measurement input used in estimating the fair values of intangible assets				0.150
FDS Amplicare
Acquired Finite-Lived Intangible Assets [Line Items]
Base purchase price					$ 177,000
Total purchase price transferred					178,466
Goodwill					117,784
Intangible assets					$ 70,000
Acquisition related costs						$ 7,000
Revenue from operations since the acquisition date						11,300
Losses from operations since the acquisition date						$ 900
FDS Amplicare | Discount Rate
Acquired Finite-Lived Intangible Assets [Line Items]
Measurement input used in estimating the fair values of intangible assets					0.130
FDS Amplicare | Acquired Technology | Royalty Rate
Acquired Finite-Lived Intangible Assets [Line Items]
Measurement input used in estimating the fair values of intangible assets					0.100
FDS Amplicare | Trade Names | Royalty Rate
Acquired Finite-Lived Intangible Assets [Line Items]
Measurement input used in estimating the fair values of intangible assets					0.020