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PROPERTY AND EQUIPMENT (Tables) | 9 Months Ended
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Sep. 30, 2025
PROPERTY AND EQUIPMENT |
Schedule of major components of property and equipment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of September 30, | ​ | As of December 31,
​ | ​ | 2025 | ​ | 2024
​ |  | (unaudited) |  | ​
Leasehold improvements | ​ | $ | 20,513 | ​ | $ | 20,096
Equipment | ​ |  | 18,377 | ​ |  | 14,386
Computer software purchased | ​ |  | 1,383 | ​ |  | 1,344
Internal-use software developed: | ​ |  | ​ | ​ |  | ​
Cloud-based customer solutions | ​ |  | 313,120 | ​ |  | 237,232
Internal systems and tools | ​ |  | 85,743 | ​ |  | 72,406
Furniture and fixtures | ​ |  | 7,324 | ​ |  | 7,292
In-process internal-use software | ​ |  | 18,243 | ​ |  | 28,916
Property and equipment | ​ |  | 464,703 | ​ |  | 381,672
Less accumulated depreciation and amortization | ​ |  | (262,048) | ​ |  | (204,113)
Property and equipment, net | ​ | $ | 202,655 | ​ | $ | 177,559
​ | ​ | ​ | ​ | ​ | ​ | ​
Schedule of major components of internal-use software | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of September 30, | ​ | As of December 31,
​ | ​ | 2025 | ​ | 2024
​ |  | (unaudited) |  | ​ | ​
Internal-use software developed | ​ | $ | 398,863 | ​ | $ | 309,638
Less accumulated depreciation | ​ |  | (225,652) | ​ |  | (171,181)
Internal-use software developed, net of accumulated depreciation | ​ |  | 173,211 | ​ |  | 138,457
In-process internal-use software | ​ |  | 18,243 | ​ |  | 28,916
Internal-use software developed, net | ​ | $ | 191,454 | ​ | $ | 167,373
Schedule of amounts capitalized for internal-use software and included in property and equipment additions on the consolidated statements of cash flows | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the nine months ended September 30,
​ | ​ | 2025 | ​ | 2024
​ | ​ | (unaudited)
Cloud-based customer solutions |  | $ | 49,177 | ​ | $ | 32,078
Internal systems and tools | ​ |  | 16,001 | ​ |  | 14,683
Total | ​ | $ | 65,178 | ​ | $ | 46,761

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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