Commitments and Contingencies (Details 3) (USD $)	Dec. 31, 2013
Workers Compensation
Self-Insurance
Per incident deductible amount	$ 500,000
Amount of loss fully insured above per incident deductible amount.	500,000
Employer's Liability, General Liability and Auto Liability | Maximum
Self-Insurance
Amount of excess loss insurance covered	100,000,000
Employer's Liability
Self-Insurance
Per incident deductible amount	500,000
Amount of loss fully insured above per incident deductible amount.	500,000
General Liability
Self-Insurance
Per incident deductible amount	500,000
Amount of loss fully insured above per incident deductible amount.	1,500,000
Auto Liability
Self-Insurance
Per incident deductible amount	500,000
Amount of loss fully insured above per incident deductible amount.	1,500,000
Employee Medical
Self-Insurance
Number of medical plans	2
Employee Medical- Plan One
Self-Insurance
Per person, per policy deductible amount	325,000
Employee Medical- Plan Two
Self-Insurance
Per person, per policy deductible amount	$ 325,000