Change in Fair Value from End of Prior Year to End of Covered Year of Equity Awards Granted in Prior Years [Member] Change in Fair Value on the Vesting Date of Equity Awards Granted in Prior Years that Vested in the Year [Member] Equity Award Adjustments [Member] Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year [Member] Reported Value of Equity Awards [Member] Year End Fair Value of Equity Awards Granted in the Year [Member] Krantz [Member] Messrs. Musslewhite [Member] Musslewhite [Member]