Long-Term Debt, Interest Rate Swap and Capitalized Lease Obligations (Interest Rate Swap Cash Flow Hedge) (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Derivative [Line Items]
Long-term debt fixed based on the interest rate swap	6.87%
Accumulated other comprehensive loss	$ (495)	$ (569)
Interest rate swap
Derivative [Line Items]
Notional amount of interest rate swap	21,678
Long-term debt fixed based on the interest rate swap	6.87%
Net liability of interest rate swap	(798)
Accumulated other comprehensive loss	(495)
Net of the income tax benefit, interest rate swap	$ 303