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INVESTMENTS AND FAIR VALUE MEASUREMENTS - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Funds held for clients |  |
Change in fair value of contingent purchase consideration | $ 0 | $ 175
Recurring |  |
Funds held for clients |  |
Total | 76,433 | 75,201
Recurring | Money Market Funds [Member] |  |
Funds held for clients |  |
Funds held for clients | 8,105 | 3,431
Recurring | Available-for-sale securities |  |
Funds held for clients |  |
Funds held for clients | 68,328 | 71,770
Recurring | Level 1 |  |
Funds held for clients |  |
Total | 8,105 | 3,431
Recurring | Level 1 | Money Market Funds [Member] |  |
Funds held for clients |  |
Funds held for clients | 8,105 | 3,431
Recurring | Level 1 | Available-for-sale securities |  |
Funds held for clients |  |
Funds held for clients | 0 | 0
Recurring | Level 2 |  |
Funds held for clients |  |
Total | 68,328 | 71,770
Recurring | Level 2 | Money Market Funds [Member] |  |
Funds held for clients |  |
Funds held for clients | 0 | 0
Recurring | Level 2 | Available-for-sale securities |  |
Funds held for clients |  |
Funds held for clients | 68,328 | 71,770
Recurring | Level 3 |  |
Funds held for clients |  |
Total | 0 | 0
Recurring | Level 3 | Money Market Funds [Member] |  |
Funds held for clients |  |
Funds held for clients | 0 | 0
Recurring | Level 3 | Available-for-sale securities |  |
Funds held for clients |  |
Funds held for clients | $ 0 | $ 0

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