Shareholder's Equity and Stock-Based Compensation - Schedule of Stock Option Activity (Details) - $ / shares	6 Months Ended
Jun. 30, 2017
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Number of Stock Options, Outstanding - beginning of period	2,350,166
Number of Stock Options, Granted	768,896
Number of Stock Options, Exercised	(72,579)
Number of Stock Options, Forfeited/Expired	(125,707)
Number of Stock Options, Outstanding - end of period	2,920,776
Number of Stock Options, Exercisable - end of period	859,212
Weighted average exercise price, Outstanding - beginning of period	$ 17.57
Weighted average exercise price, Granted	28.35
Weighted average exercise price, Exercised	15.24
Weighted average exercise price, Forfeited/Expired	20.80
Weighted average exercise price, Outstanding - end of period	20.32
Weighted average exercise price, Exercisable - end of period	$ 15.34

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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- Definition

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ References

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-Publisher FASB
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Weighted average price of options that were either forfeited or expired.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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