Equity Compensation - Summary of Weighted Average Fair Value of Options Granted (Details) - $ / shares |
12 Months Ended | ||
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Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Stock Option | |||
| Share-based Compensation Arrangement by Share-based Payment Award | |||
| Weighted Average Fair Value of the Options Granted (in usd per share) | $ 14.64 | $ 15.30 | $ 14.65 |
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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. No definition available.
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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