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Acquisitions - Narrative (Detail) - USD ($) $ in Thousands |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Nov. 16, 2015 | May 29, 2015 | Dec. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Business Acquisition [Line Items] |  |  |  |  |  |
Cash to acquire business |  |  |  | $ 7,400 |  |
Purchase price in cash |  |  |  | 9,394 | $ 339,961 | $ 3,242
New World Systems Corporation |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Cash acquired from acquisition | $ 22,500 |  |  |  |  |
Purchase price in cash | $ 337,500 |  |  |  |  |
Accrued purchase price |  |  |  | 4,000 |  |
Number of common stock shares valued at acquisition | 2,100,000 |  |  |  |  |
Common stock value at acquisition date | $ 362,800 |  |  |  |  |
Fees incurred in acquisition | $ 5,900 |  | $ 5,900 |  |  |
Payment for previous acquisition |  |  |  | 2,000 |  |
Goodwill, purchase price adjustments |  |  |  | $ (7,372) |  |
Brazos Technology Corporation |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Cash acquired from acquisition |  | $ 312 |  |  |  |
Purchase price in cash |  | $ 6,100 |  |  |  |
Number of common stock shares valued at acquisition |  | 12,500 |  |  |  |
Common stock value at acquisition date |  | $ 1,500 |  |  |  |
Debt assumed from business acquisition |  | $ 733 |  |  |  |

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- Definition Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460 + Details
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