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Intangible Assets - Schedule of Gross Amount and Accumulated Amortization of Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 463,268 | $ 294,492
Accumulated Amortization | (203,410) | (115,104)
Net Carrying Amount | 259,858 | 179,388
Backlog |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 109,255 | 80,754
Accumulated Amortization | (87,510) | (58,295)
Net Carrying Amount | $ 21,745 | 22,459
Amortization Period (in years) | 3 years |
Customer Relationships |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 228,529 | 121,629
Accumulated Amortization | (67,809) | (38,974)
Net Carrying Amount | $ 160,720 | 82,655
Amortization Period (in years) | 7 years |
Leases |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 670 | 670
Accumulated Amortization | (580) | (561)
Net Carrying Amount | $ 90 | 109
Amortization Period (in years) | 5 years |
Developed Technology |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 110,939 | 87,839
Accumulated Amortization | (40,749) | (15,174)
Net Carrying Amount | $ 70,190 | 72,665
Amortization Period (in years) | 4 years |
Trade Name |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 8,200 | 3,600
Accumulated Amortization | (5,667) | (2,100)
Net Carrying Amount | $ 2,533 | 1,500
Amortization Period (in years) | 1 year |
Non compete Agreements |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 3,600 | 0
Accumulated Amortization | (925) | 0
Net Carrying Amount | $ 2,675 | 0
Amortization Period (in years) | 3 years |
In Process Research and Development |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 1,800 | 0
Accumulated Amortization | 0 | 0
Net Carrying Amount | 1,800 | 0
Other Intangibles |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 275 | 0
Accumulated Amortization | (170) | 0
Net Carrying Amount | $ 105 | $ 0
Amortization Period (in years) | 10 years |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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