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- Schedule of Finite-Lived and Indefinite-Lived Intangible Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
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Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Accumulated Amortization | $ (450,642) | $ (421,238)
Gross Carrying Amount, Trade names (unamortized) | 251,440 | 251,440
Accumulated Impairment Charge, Trade names (unamortized) | (58,933) | (52,233)
Total, Trade Names (unamortized) | 192,507 | 199,207
Gross Carrying Amount, Total | 1,090,949 | 1,089,749
Accumulated Impairment Charge, Total | (63,767) | (57,067)
Total | 576,540 | 611,444
Contract backlog |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 66,945 | 66,745
Accumulated Amortization | (65,145) | (61,651)
Accumulated Impairment Charge | 0 | 0
Total | 1,800 | 5,094
Developed technology/Vendor network |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 95,661 | 95,661
Accumulated Amortization | (62,575) | (60,156)
Accumulated Impairment Charge | 0 | 0
Total | 33,086 | 35,505
Customer relationships |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 645,555 | 644,755
Accumulated Amortization | (300,590) | (277,601)
Accumulated Impairment Charge | (4,834) | (4,834)
Total | 340,131 | 362,320
Trade names (amortized) |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 31,348 | 31,148
Accumulated Amortization | (22,332) | (21,830)
Accumulated Impairment Charge | 0 | 0
Total | $ 9,016 | $ 9,318

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