Short-Term and Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Schedule of Short-term Debt [Table Text Block]

Short-term debt consisted of the following:

	December 31,
	2013		2012
Current portion of long-term debt	$	8,434	$	6,992

Schedule of Long-term Debt Instruments [Table Text Block]

Long-term debt consisted of the following:

	December 31,
	2013		2012
Revolving credit facility
Swing-line borrowings	$	—	$	—
Prime rate borrowings	—		9,200
LIBOR borrowings	20,000		15,000
	20,000		24,200
Senior unsecured notes	30,000		30,000
Term loans	8,468		7,579
	58,468		61,779
Less current portion	8,434		6,992
	$	50,034	$	54,787