Amendment Flag Change in Fair Value from Prior Year-end to Vesting Date of Equity Awards Granted in Prior Years That Vested During the Year [Member] Change in Fair Value from Prior Year-end to Vesting Date of Equity Awards Granted in Prior Years That Vested During the Year. Grant Date Fair Value of Awards Granted During the Year Included in SCT Total [Member] Grant Date Fair Value of Awards Granted During the Year Included in SCT Total. Entity Registrant Name Document Type Change in Fair Value During the Year of Equity Awards Granted in Prior Years Outstanding and Unvested at Year-end [Member] Change in Fair Value During the Year of Equity Awards Granted in Prior Years Outstanding and Unvested at Year-end. Entity Central Index Key Year-end Fair Value of Equity Awards Granted During the Year Outstanding and Unvested at Year-end [Member] Year-end Fair Value of Equity Awards Granted During the Year Outstanding and Unvested at Year-end. Cover [Abstract]