Significant Accounting Policies and Practices (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Cash flow hedge Interest rate swaps	Oct. 25, 2012 Cash flow hedge Interest rate swaps
Insurance Reserves
Liability insurance policies, maximum deductibles or a self-insured retention limit	$ 250
Interest rate swaps
Variable rate basis				LIBOR
Fixed rate (as a percent)				0.7525%
Aggregate starting notional amount					150,000
Ineffective portion of cash flow hedges recognized				0
Advertising Costs
Advertising expenses	$ 971	$ 796	$ 317