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ACCOUNTS RECEIVABLE (SIGNIFICANT CLIENTS TABLE) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Concentration Risk, Percentage of Revenue from Major Customer |  |  |
Accounts receivable, net | $ 417,637 | $ 357,310 |
Revenue | Customer Concentration Risk | Financial Services Client |  |  |
Concentration Risk, Percentage of Revenue from Major Customer |  |  |
Concentration risk percentage | 7.00% | 12.00% | 13.00%
Revenue | Customer Concentration Risk | Automotive Industry Client |  |  |
Concentration Risk, Percentage of Revenue from Major Customer |  |  |
Concentration risk percentage | 10.00% | 9.00% | 8.00%
Accounts Receivable | Credit Concentration Risk | Financial Services Client |  |  |
Concentration Risk, Percentage of Revenue from Major Customer |  |  |
Accounts receivable, net | $ 14,019 | $ 15,483 | $ 58,960
Accounts Receivable | Credit Concentration Risk | Automotive Industry Client |  |  |
Concentration Risk, Percentage of Revenue from Major Customer |  |  |
Accounts receivable, net | $ 38,539 | $ 36,466 | $ 27,860

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