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| Unrecognized Compensation Cost, Nonvested Awards [Roll Up] |
| UnrecognizedCompensationCostNonvestedAwards |
| StockCompensation |
| Disclosure of the total compensation cost related to nonvested awards not yet recognized and the weighted-average period over which it is expected to be recognized. |
| Missing [Table] |
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| us-gaap:ScheduleOfUnrecognizedCompensationCostNonvestedAwardsTableTextBlock |
| List of human readable examples |
| List of machine readable examples |
| http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensation | XML | HTML |