- DefinitionDisclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.
| Name: |
us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock |
| Namespace Prefix: |
us-gaap_ |
| Data Type: |
nonnum:textBlockItemType |
| Balance Type: |
na |
| Period Type: |
duration |