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Shareholder's Equity and Stock-Based Compensation - Additional Information (Details) - shares | 3 Months Ended
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Mar. 31, 2018 | Mar. 31, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Stock options granted | 406,500 |
2016 Incentive Award Plan |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Awards granted | 504,500 |
2016 Incentive Award Plan | Stock Options | Vesting After Four Years |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Stock options granted | 406,500 | 700,050
Award vesting period | 4 years | 4 years
2016 Incentive Award Plan | Restricted Stock Units (RSU) | Vesting After Four Years |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Award vesting period | 4 years |
Shares granted | 98,000 |

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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Number of share instruments newly issued under a share-based compensation plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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