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Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Dec. 31, 2017 | Jul. 03, 2017
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Goodwill | $ 52,990 |  | $ 52,990 |
Intangible assets, gross | 30,130 |  | 30,130 |
Less: Accumulated amortization | (2,328) |  | (1,552) |
Intangible assets, net | 27,802 |  | 28,578 |
Amortization expense | 11,854 | $ 12,022 |  |
Acquired technology [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Intangible assets, gross | 13,510 |  | 13,510 |
Client relationships [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Intangible assets, gross | 10,760 |  | 10,760 |
Non-competition agreements [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Intangible assets, gross | 3,470 |  | 3,470 |
Trade name [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Intangible assets, gross | 2,390 |  | $ 2,390 |
Archway [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Goodwill |  |  |  | $ 52,990
Amortization expense | $ 776 |  |  |

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