Entity Central Index Key Pay Vs Performance Disclosure [Line Items] Reported value of equity awards. Reported Value Of Equity Awards Reported Value Of Equity Awards [Member] Equity award adjustments. Equity Award Adjustments Equity Award Adjustments [Member] Year end fair value of current year equity awards that are outstanding and unvested. Year End Fair Value Of Current Year Equity Awards That Are Outstanding And Unvested Year End Fair Value Of Current Year Equity Awards That Are Outstanding And Unvested [Member] Fair value as of vesting date of current year equity awards that vested in the current year. Fair Value As Of Vesting Date Of Current Year Equity Awards That Vested In Current Year Fair Value As Of Vesting Date Of Current Year Equity Awards That Vested In Current Year [Member] Vesting date fair value of equity awards granted in prior years that vested in the current year. Vesting Date Fair Value Of Equity Awards Granted In Prior Years That Vested In Current Year Vesting Date Fair Value Of Equity Awards Granted In Prior Years That Vested In Current Year [Member] Fair value at end of the prior year of equity awards that failed to meet vesting conditions in the current year. Fair Value At End Of Prior Year Of Equity Awards That Failed To Meet Vesting Conditions In Current Year Fair Value At End Of Prior Year Of Equity Awards That Failed To Meet Vesting Conditions In Current Year [Member] Value of dividends or other earnings paid on stock or option awards not otherwise reflected in fair value or total compensation. Value Of Dividends Or Other Earnings Paid On Stock Or Option Awards Not Otherwise Reflected In Fair Value Or Total Compensation Value Of Dividends Or Other Earnings Paid On Stock Or Option Awards Not Otherwise Reflected In Fair Value Or Total Compensation [Member] Total equity award adjustments. Total Equity Award Adjustments Total Equity Award Adjustments [Member] Average reported value of equity awards. Average Reported Value Of Equity Awards Average Reported Value Of Equity Awards [Member] Average equity award adjustments. Average Equity Award Adjustments Average Equity Award Adjustments [Member]