Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2013

Stockholders' Equity Note [Abstract]

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

				Weighted
				Average
				Grant Date
		Shares		Fair Value
Nonvested at January 1, 2013		1,127	$	9.59
	Granted	664	$	8.22
	Vested	(119)	$	7.87
	Forfeited	(3)	$	9.60
Nonvested at June 30, 2013		1,669	$	9.15

Schedule Of Share-based Compensation [Table Text Block]

		2013	2012
Share-based compensation expense	$	3,094	2,831
Adjustment to fair value of liability classified awards		(188)	(236)
Total share-based compensation expense	$	2,906	2,595