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v3.20.4

INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Intangible assets |  |
Gross Carrying Amount | $ 100,645 | $ 100,645
Acquisitions | 1,970 |
Accumulated Amortization | (87,250) | (83,718)
Currency impact | (301) | (322)
Net Book Value | 15,064 | 16,605
Amortization expense | 3,532 | 4,011
Estimated future amortization expense |  |
2021 | 2,642 |
2022 | 2,110 |
2023 | 1,814 |
2024 | 1,495 |
2025 | 1,326 |
Thereafter | 5,677 |
Estimated future amortization expense | 15,064 |
Customer relationships |  |
Intangible assets |  |
Gross Carrying Amount | 73,723 | 73,723
Acquisitions | 1,560 |
Accumulated Amortization | (66,705) | (63,761)
Currency impact | (108) | (116)
Net Book Value | 8,470 | 9,846
Noncompete agreements |  |
Intangible assets |  |
Gross Carrying Amount | 5,952 | 5,952
Acquisitions | 10 |
Accumulated Amortization | (5,911) | (5,862)
Currency impact |  | 1
Net Book Value | 51 | 91
Software |  |
Intangible assets |  |
Gross Carrying Amount | 1,500 | 1,500
Acquisitions | 160 |
Accumulated Amortization | (1,511) | (1,500)
Net Book Value | 149 |
Backlog |  |
Intangible assets |  |
Gross Carrying Amount | 5,002 | 5,002
Accumulated Amortization | (4,981) | (4,981)
Currency impact | (21) | (21)
Databases |  |
Intangible assets |  |
Gross Carrying Amount | 13,218 | 13,218
Accumulated Amortization | (6,852) | (6,364)
Currency impact | (172) | (186)
Net Book Value | $ 6,194 | $ 6,668
Trademarks and trade names |  |
Intangible assets |  |
Estimated Useful Lives (in years) | 5 years | 5 years
Gross Carrying Amount | $ 1,250 | $ 1,250
Acquisitions | 240 |
Accumulated Amortization | (1,290) | $ (1,250)
Net Book Value | $ 200 |
Minimum | Customer relationships |  |
Intangible assets |  |
Estimated Useful Lives (in years) | 2 years | 2 years
Minimum | Noncompete agreements |  |
Intangible assets |  |
Estimated Useful Lives (in years) | 4 years | 4 years
Minimum | Software |  |
Intangible assets |  |
Estimated Useful Lives (in years) | 3 years | 3 years
Minimum | Backlog |  |
Intangible assets |  |
Estimated Useful Lives (in years) | 1 year | 1 year
Minimum | Databases |  |
Intangible assets |  |
Estimated Useful Lives (in years) | 4 years | 4 years
Maximum | Customer relationships |  |
Intangible assets |  |
Estimated Useful Lives (in years) | 15 years | 15 years
Maximum | Noncompete agreements |  |
Intangible assets |  |
Estimated Useful Lives (in years) | 7 years | 7 years
Maximum | Software |  |
Intangible assets |  |
Estimated Useful Lives (in years) | 4 years | 4 years
Maximum | Backlog |  |
Intangible assets |  |
Estimated Useful Lives (in years) | 2 years | 2 years
Maximum | Databases |  |
Intangible assets |  |
Estimated Useful Lives (in years) | 15 years | 15 years

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