Deduction for fair value of awards granted prior to current year that were forfeited during the year [Member] Increase (deduction) for change in fair value from prior year end to vesting date of awards granted prior to current year that vested during the year [Member] Increase for fair value of awards granted during the year that remain unvested as of year end [Member] Increase based on dividends or other earnings paid during the year prior to vesting date of award [Member] Deduction for amounts reported under "Stock Awards" column in the Summary Compensation Table [Member] Increase for fair value of awards granted during year that vested during year [Member] Increase (deduction) for change in fair value from prior year end to current year end of awards granted prior to year that were outstanding and unvested as of year end [Member]