Business Combinations - Preliminary Allocation of the Purchase Price to the Assets Acquired and the Liabilities Assumed By the Company (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 30, 2022	Sep. 30, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 29, 2021	Sep. 09, 2021	Oct. 01, 2020
Business Acquisition [Line Items]
Goodwill			$ 734,274	$ 738,900	$ 499,309
Measurement period adjustments			(3,770)	(2,321)
Purchase price adjustments from business acquisitions			5,463	0	$ 0
FDS Amplicare
Business Acquisition [Line Items]
Cash and cash equivalents							$ 465
Accounts receivable and unbilled receivables							5,330
Prepaid expenses							506
Other current assets							45
Total current assets							6,346
Property and equipment							444
Operating lease right-of-use assets							2,252
Goodwill							117,784
Intangible assets							70,000
Other long-term assets							51
Total assets							196,877
Accounts payable							950
Accrued compensation							1,312
Accrued liabilities							1,497
Deferred revenues							1,916
Long-term deferred tax liabilities							11,686
Long-term operating lease liabilities							920
Other long-term liabilities							130
Total liabilities							18,411
Total purchase price							178,466
Total purchase price, net of cash acquired							$ 178,001
Measurement period adjustments			400	(1,500)
Adjustment, accounts receivable and unbilled receivables				1,100
Adjustment, deferred tax liability, noncurrent				100
Purchase price adjustments from business acquisitions				100
Increase (decrease) in deferred tax liabilities			300
Increase (decrease) in accrued liabilities			100
FDS Amplicare | Customer relationships
Business Acquisition [Line Items]
Adjustment, intangibles				400
ReCept
Business Acquisition [Line Items]
Cash and cash equivalents						$ 0
Accounts receivable and unbilled receivables						2,383
Prepaid expenses						192
Other current assets						12,223
Total current assets						14,798
Property and equipment						172
Operating lease right-of-use assets						773
Goodwill						77,644
Intangible assets						28,100
Other long-term assets						195
Total assets						121,682
Accounts payable						219
Accrued compensation						1,756
Accrued liabilities						18,249
Deferred revenues						222
Long-term deferred tax liabilities						3,383
Long-term operating lease liabilities						614
Other long-term liabilities						0
Total liabilities						24,443
Total purchase price						97,239
Total purchase price, net of cash acquired						$ 90,670
Measurement period adjustments			(3,900)
Purchase price adjustments from business acquisitions			5,200
Increase (decrease) in deferred tax liabilities			(200)
Increase (decrease) in accrued liabilities			(300)
Decrease in other assets, current			$ 1,700
MarkeTouch Media
Business Acquisition [Line Items]
Cash and cash equivalents				237
Accounts receivable and unbilled receivables				2,302
Prepaid expenses				96
Other current assets				0
Total current assets				2,635
Property and equipment				177
Operating lease right-of-use assets				602
Goodwill				42,273
Intangible assets				38,000
Other long-term assets				2,850
Total assets				86,537
Accounts payable				473
Accrued compensation				0
Accrued liabilities				292
Deferred revenues				347
Long-term deferred tax liabilities				0
Long-term operating lease liabilities				206
Other long-term liabilities				2,850
Total liabilities				4,168
Total purchase price				82,369
Total purchase price, net of cash acquired				$ 82,132
Measurement period adjustments	$ (300)
340B Link Business
Business Acquisition [Line Items]
Accounts receivable and unbilled receivables								$ 8,197
Prepaid expenses								232
Other current assets								23,040
Total current assets								31,469
Property and equipment								531
Operating lease right-of-use assets								3,138
Goodwill								160,268
Intangible assets								62,800
Total assets								258,206
Accounts payable								568
Accrued liabilities								23,715
Long-term deferred tax liabilities								6,334
Long-term operating lease liabilities								2,589
Total liabilities								33,206
Total purchase price								$ 225,000
Measurement period adjustments		$ (900)
Adjustment, deferred tax liability, noncurrent		(500)
Increase (decrease) in accrued liabilities		(100)
Increase in other current assets, adjustment		$ 300