Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2015

Derivatives, Fair Value [Line Items]

Schedule of Derivative Liabilities at Fair Value [Table Text Block]

The fair values of outstanding derivative instruments are as follows:

	Fair Value of Derivatives
	June 30, 2015		December 31, 2014		Balance Sheet Classification
Derivatives designated as hedges:
5 year interest rate swap	$	335	$	201	Other long-term liabilities
10 year interest rate swap	664		881		Other long-term liabilities
	$	999	$	1,082