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Stockholders' Equity - Share-based Compensation Omnibus Incentive Plan (Details) - 2014 Omnibus Incentive Plan - shares | 9 Months Ended |
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Sep. 30, 2018 | May 22, 2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Maximum number of shares of common stock authorized (in shares) |  | 4,250,000
Additional shares added by amended plan (in shares) | 2,199,114 |

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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 Number of additional shares authorized for issuance under an established share-based compensation plan. + References No definition available. + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + 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)(3) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Details
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