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Subsequent Events - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Aug. 01, 2017 | Jul. 03, 2017 | Jun. 30, 2017 | Jun. 30, 2017 | Jul. 31, 2017 | Dec. 31, 2016
Common stock, shares issued |  |  | 34,118,994 | 34,118,994 |  | 33,844,074
Exercised number of shares |  |  |  | 149,903 |  |
Selling, general and administrative | Spectrum Inc. |  |  |  |  |  |
Business Combination, Acquisition Related Costs |  |  | $ 2,395 | $ 2,395 |  |
Subsequent Event |  |  |  |  |  |
Common stock, shares issued |  | 2,807,017 |  |  | 3,228,069 |
Common stock issue price per share |  | $ 42.75 |  |  | $ 42.75 |
Net proceeds from public offering |  | $ 129,400 |  |  |  |
Subsequent Event | Spectrum Inc. |  |  |  |  |  |
Cash payment to acquire business | $ 124,200 |  |  |  |  |
Shares issued for business acquisition | 6,153,995 |  |  |  |  |
Value of common stock issued | $ 247,575 |  |  |  |  |
Purchase Price Business Acquisition | 371,812 |  |  |  |  |
Fair value of net assets acquired | $ 371,812 |  |  |  |  |
Subsequent Event | Underwriters | Common Stock |  |  |  |  |  |
Exercised number of shares |  | 421,052 |  |  |  |

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- Definition Number of shares of equity interests issued or issuable to acquire 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=84229725&loc=d3e1043-128460 + Details
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