Acquisitions - Aggregate Fair Values of Outstanding Contingent Consideration Liabilities (Details) - Level 3 - Recurring - USD ($) $ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Total contingent consideration liabilities | $ 143,073 | $ 10,969 |
| Accounts payable and accrued expenses | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Accounts payable and accrued expenses | 2,591 | 3,466 |
| Insurance and other non-current liabilities | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Contingent consideration liabilities, noncurrent | $ 140,482 | $ 7,503 |