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INCOME TAXES - Reconciliation of Expected Income Tax Expense (Details) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Effective Income Tax Rate Reconciliation: |  |  |
United States federal statutory income tax rate | 21.00% | 21.00% | 21.00%
Impact of foreign rate differential | (3.30%) | (15.90%) | (4.20%)
State taxes, net of federal benefit | 0.90% | 2.30% | 2.00%
Stock option cancellations | 0.00% | (1.10%) | (0.20%)
Contingent consideration | 59.10% | 178.20% | 14.40%
General business credits and other credits | 0.50% | 2.40% | 6.60%
Goodwill write-off | (14.80%) | 0.00% | 0.00%
Permanent differences | (1.90%) | (1.40%) | 0.20%
Other | (0.20%) | (13.80%) | (2.10%)
Foreign taxes | 0.00% | (3.30%) | (6.90%)
Change in valuation allowance | (44.60%) | (72.30%) | (37.70%)
Effective Income Tax Rate | 16.70% | 96.10% | (6.90%)

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