Year End Fair Value of Unvested Equity Awards Granted in the Year [Member] Fair Value at end of Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year [Member] Year over Year Change in Fair Value of Equity Awards Granted in Prior Years Vested in the Year [Member] Ted Decker [Member] Non-PEO NEO Equity Award Adjustments Table Text Block Average Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year [Member] Year over Year Change in Fair Value of Outstanding and Unvested Awards [Member] Equity Award Adjustments [Member] PEO Equity Award Adjustments Table Text Block Value of Dividends or Other Earnings Paid on Stock or Option Awards not otherwise reflected [Member] Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year [Member] Average Fair Value at the End of Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year [Member] Stock and Option Awards [Member] Craig A. Menear [Member] Year over Year Average Change in Fair Value of Outstanding and Unvested Equity Awards [Member] Average Year End Fair Value of Unvested Equity Awards Granted in the Year [Member] Average Reported Value of Equity Awards [Member] Average Equity Award Adjustments [Member] Average Value of Dividends or other Earnings Paid on Stock or Option Awards not otherwise reflected in Fair Value or Total Compensation [Member]