Fair Value As Of Year End Of Equity Awards Granted During The Year [Member] Fair Value as of Year End of Equity Awards Granted During the Year [Member] Increase (Decrease) From Prior Year End In Fair Value Of Awards That Vested During The Year [Member] Increase (Decrease) From Prior Year End in Fair Value of Awards That Vested During the Year [Member] Summary Compensation Table Value Of Option Awards [Member] Summary Compensation Table Value of Option Awards [Member] Summary Compensation Table Value Of Stock Awards( [Member] Summary Compensation Table Value of Stock Awards [Member] Year Over Year Increase (Decrease) In Fair Value As Of Year End Of Unvested Awards Granted In Prior Years [Member] Year-Over-Year Increase (Decrease) in Fair Value as of Year End of Unvested Awards Granted in Prior Years [Member]