Aggregate Change in Actuarial Present Value of Accumulated Benefit Under Pension Plans ($) [Member] Aggregate Service Cost and Prior Service Cost for Pension Plans ($) [Member] Change in Fair Value of Outstanding Unvested Stock Awards from Prior Years ($) [Member] Change in Fair Value of Stock Awards from Prior Years that Vested in the Covered Year ($) [Member] Change In Pension Value and Equity Award Value [Member] Adjustments For Equity Awards Failed To Meet Performance Conditions [Member] Change In Fair Value As Of Vesting Date Of Current Year Awards Vested During Current Year [Member] Change In Fair Value As Of Vesting Date Of Prior Year Awards Vested During Current Year [Member] Change In Fair Value As Of Vesting Date Of Awards Vested During Current Year [Member] Change In Fair Value Of Outstanding And Unvested Awards Granted In Prior Fiscal Years [Member] Dividends Or Other Earnings Paid On Equity Awards Not Otherwise Reflected In Fair Value [Member] Total Equity Awards Adjustments [Member] Year-end Fair Value Of Awards Granted In The Current Fiscal Year [Member] Equity Awards Value In Summary Compensation Table (Grant Date Value) [Member] Fair Value for Stock Awards Granted in the Covered Year ($) [Member] Fair Value of Stock Awards Forfeited during the Covered Year ($) [Member] Less: Aggregate Change in Actuarial Present Value of Accumulated Benefit Under Pension Plans ($) [Member] Less: Fair Value of Stock Awards Forfeited during the Covered Year ($) [Member] Less: Stock Award Values Reported in SCT for the Covered Year ($) [Member] Total Net Adjustments For Equity Awards [Member] Total Net Adjustments For Pension [Member] Total Pension Adjustments [Member] Pension Adjustments Prior Service Cost [Member] Pension Adjustments Service Cost [Member] Pension Value And Equity Awards Value In Compensation Table For The Applicable Year [Member] Pension Adjustments Pension Value In Summary Compensation Table [Member] Plus: Aggregate Service Cost and Prior Service Cost for Pension Plans ($) [Member] Plus: Fair Value for Stock Awards Granted in the Covered Year ($) [Member] Stock Award Values Reported in SCT for the Covered Year ($) [Member]