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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 |  |  |  |  |  |

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