|
Share-based Compensation - Additional Information (Details) (2011 Equity Plan, USD $)
|
1 Months Ended | |||||
|---|---|---|---|---|---|---|
|
May 31, 2014
Stock options
|
Feb. 28, 2014
Stock options
|
Feb. 28, 2014
Restricted Stock
|
Apr. 30, 2014
Board Of Directors
Restricted Stock
|
May 31, 2014
Vest Quarterly Over Three Years
Restricted Stock
|
May 31, 2014
Vest Three Business Days after Date of Second Quarter Earnings Release
Restricted Stock
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||
| Granted options | 159,194 | 1,356,972 | ||||
| Exercise price (in dollars per share) | $ 18.71 | $ 17.75 | ||||
| Vesting period | 3 years | 3 years | 3 years | 3 years | 3 years | 3 days |
| Granted shares of restricted stock | 681,395 | 39,156 | 84,620 | 100,400 | ||
| Fair value restricted stock (in dollars) | $ 17.75 | $ 18.39 | $ 18.71 | $ 20.61 | ||
| X | ||||||||||
|
- 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- 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
|
| X | ||||||||||
|
- 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
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Gross number of share options (or share units) granted during the period. No definition available.
|
| X | ||||||||||
|
- Definition
Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
|