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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2024
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |
Schedule of property plant and equipment useful life | ​
​ | ​ | ​
Leasehold improvements |  | 1 - 12 years
Internal-use software developed |  | 3 - 5 years
Computer software purchased |  | 3 - 7 years
Equipment |  | 3 - 10 years
Furniture and fixtures |  | 7 - 10 years
​
Schedule of supplemental balance sheet information | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | As of December 31,
​ |  | 2024 | ​ | 2023
Prepaid expenses and other current assets: |  | ​ |  |  | ​ |
Prepaid expenses | ​ | $ | 15,223 | ​ | $ | 11,558
Unamortized cloud computing implementation costs | ​ | ​ | 4,088 | ​ | ​ | 3,995
Prepaid insurance | ​ | ​ | 1,488 | ​ | ​ | 521
Prepaid licenses and support | ​ | ​ | 15,879 | ​ | ​ | 10,099
Prepaid expenses and other current assets | ​ | $ | 36,678 | ​ | $ | 26,173
​ | ​ | ​ | ​ | ​ | ​ | ​
Other assets: | ​ |  | ​ | ​ |  | ​
Unamortized cloud computing implementation costs | ​ | $ | 10,173 | ​ | $ | 12,475
Other assets | ​ | ​ | 3,900 | ​ | ​ | 3,538
Total other assets | ​ | $ | 14,073 | ​ | $ | 16,013
​ | ​ | ​ | ​ | ​ | ​ | ​
Accrued expenses: | ​ | ​ | ​ | ​ | ​ | ​
Accrued general expenses | ​ | $ | 14,862 | ​ | $ | 25,998
Accrued contract labor and professional fees | ​ | ​ | 15,152 | ​ | ​ | 13,372
Accrued income and other taxes | ​ | ​ | 5,155 | ​ | ​ | 5,365
Accrued expenses | ​ | $ | 35,169 | ​ | $ | 44,735
​ | ​ | ​ | ​ | ​ | ​ | ​
Schedule of supplemental cash flow disclosures | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the year ended December 31,
​ |  | 2024 |  | 2023 | ​ | 2022
Cash paid for: |  | ​ |  |  | ​ |  | ​ | ​ |
Interest | ​ | $ | 3,287 | ​ | $ | 3,729 | ​ | $ | 2,221
Income taxes, net of refunds | ​ | ​ | 8,593 | ​ | ​ | 5,652 | ​ | ​ | 3,059
Cash paid included in the measurement of lease liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating cash flows from operating leases | ​ | ​ | 3,679 | ​ | ​ | 4,019 | ​ | ​ | 4,240
Non-cash investing and financing activities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |
Change in settlement value of deferred purchase commitment liability | ​ | ​ | 423 | ​ | ​ | 4,020 | ​ | ​ | 990
Change in fair value of contingent consideration liabilities | ​ | ​ | 14,925 | ​ | ​ | 1,549 | ​ | ​ | 2,300
Leased assets obtained in exchange for new finance lease liabilities | ​ | ​ | 48 | ​ | ​ | 124 | ​ | ​ | 1,069

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- Definition Tabular disclosure of condensed balance sheet, including, but not limited to, balance sheets of consolidated entities and consolidation eliminations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 04 -Paragraph a -Publisher SEC Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3 + Details
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