Employee Stock and Benefit Plans (Restricted Stock) (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Stock-based employee compensation | $ 16,378 | $ 9,831 | $ 4,545 |
| Unrecognized employee compensation cost, period for recognition | 2 years 3 months 18 days | ||
| Restricted Stock Units | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Number of shares granted (in shares) | 60,000 | ||
| Weighted-average grant date fair value (usd per share) | $ 37.28 | ||
| Stock-based employee compensation | $ 500 | ||
| Units vested and released in period (in shares) | 12,500 | ||
| Units cancelled and forfeited during period (in shares) | 0 | ||
| Units outstanding and expected to vest (in shares) | 47,500 | ||
| Unrecognized employee compensation cost | $ 1,800 | ||
| Unrecognized employee compensation cost, period for recognition | 1 year 6 months 29 days | ||
| X | ||||||||||
- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. No definition available.
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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). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued 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). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 Number of shares under non-option equity instrument agreements that were either cancelled or expired. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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