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v3.21.2

FAIR VALUE MEASUREMENTS (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | $ 196,000 | $ 28,517,000 | $ 8,249,000 | $ 33,464,000
Transfers into Level 3 | 0 | 0 | 0 | 0
Transfers out of Level 3 | 0 | 0 | 0 | 0
Change in fair value of contingent consideration | (196,000) | 6,658,000 | (8,249,000) | 7,711,000
Contingent consideration additions | 0 | 0 | 0 | 0
Contingent consideration payments | 0 | 0 | 0 | (6,000,000)
Ending balance | $ 0 | $ 35,175,000 | $ 0 | $ 35,175,000
Level 3 | Operating results growth rate | Option pricing model |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Contingent consideration, measurement input | 0.298 |  | 0.298 |
Minimum |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Contingent consideration | $ 0 |  | $ 0 |
Maximum |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Contingent consideration | $ 23,400,000 |  | $ 23,400,000 |

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