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PROPERTY AND EQUIPMENT - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
PROPERTY AND EQUIPMENT |  |  |  |  |
Finance lease amortization | $ 18 | $ 19 | $ 56 | $ 61 |
Excluding internal-use software and finance leases |  |  |  |  |
PROPERTY AND EQUIPMENT |  |  |  |  |
Depreciation expense | 1,089 | 1,004 | 3,213 | 3,369 |
Assets under finance leases |  |  |  |  |
PROPERTY AND EQUIPMENT |  |  |  |  |
Finance lease assets | $ 265 |  | $ 265 |  | $ 172
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization |  | Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization |  | Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization
Accumulated amortization | $ 153 |  | $ 153 |  | $ 97
Cloud-based customer solutions |  |  |  |  |
PROPERTY AND EQUIPMENT |  |  |  |  |
Depreciation expense | 12,522 | 7,909 | 33,791 | 25,685 |
Internal systems and tools |  |  |  |  |
PROPERTY AND EQUIPMENT |  |  |  |  |
Depreciation expense | $ 5,264 | $ 4,191 | $ 15,170 | $ 12,002 |

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