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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 | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2022 | Dec. 31, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 29, 2021 | Sep. 09, 2021
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill | $ 734,487 | $ 738,900 | $ 734,487 |  |  |
Goodwill, purchase accounting adjustments |  |  | 3,446 |  |  |
Purchase price adjustments from business acquisitions |  |  | $ 5,484 | $ 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 |  |  |  |  |  | 117,675
Intangible assets |  |  |  |  |  | 70,000
Other long-term assets |  |  |  |  |  | 51
Total assets |  |  |  |  |  | 196,768
Accounts payable |  |  |  |  |  | 950
Accrued compensation |  |  |  |  |  | 1,312
Accrued liabilities |  |  |  |  |  | 1,396
Deferred revenues |  |  |  |  |  | 1,916
Long-term deferred tax liabilities |  |  |  |  |  | 11,678
Long-term operating lease liabilities |  |  |  |  |  | 920
Other long-term liabilities |  |  |  |  |  | 130
Total liabilities |  |  |  |  |  | 18,302
Total purchase price |  |  |  |  |  | 178,466
Total purchase price, net of cash acquired |  |  |  |  |  | $ 178,001
Goodwill, purchase accounting adjustments | (300) | 1,500 |  |  |  |
Adjustment, accounts receivable and unbilled receivables |  | 1,100 |  |  |  |
Decrease in deferred tax liability, noncurrent |  | 100 |  |  |  |
Purchase price adjustments from business acquisitions |  | 100 |  |  |  |
FDS Amplicare | Customer relationships |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Adjustment, intangibles |  | 400 |  |  |  |
ReCept Holdings, Inc. |  |  |  |  |  |
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 |  |  |  |  | 78,098 |
Intangible assets |  |  |  |  | 28,100 |
Other long-term assets |  |  |  |  | 195 |
Total assets |  |  |  |  | 122,136 |
Accounts payable |  |  |  |  | 219 |
Accrued compensation |  |  |  |  | 1,756 |
Accrued liabilities |  |  |  |  | 18,499 |
Deferred revenues |  |  |  |  | 222 |
Long-term deferred tax liabilities |  |  |  |  | 3,587 |
Long-term operating lease liabilities |  |  |  |  | 614 |
Other long-term liabilities |  |  |  |  | 0 |
Total liabilities |  |  |  |  | 24,897 |
Total purchase price |  |  |  |  | 97,239 |
Total purchase price, net of cash acquired |  |  |  |  | $ 90,670 |
Goodwill, purchase accounting adjustments | 3,500 |  |  |  |  |
Purchase price adjustments from business acquisitions | 5,200 |  |  |  |  |
Decrease in other assets, current | 1,700 |  |  |  |  |
MarkeTouch Media, LLC |  |  |  |  |  |
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 |  |  |  |
Goodwill, purchase accounting adjustments | $ 300 |  |  |  |  |

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