Stock Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

Share-based Compensation [Abstract]

Schedule Of Share Based Payment Awards Assumptions [Table Text Block]

		Weighted-average
	Number	grant date		Aggregate		Vesting
	of shares	fair value		fair value		period
Common stock	20	$	42.38	$	840	None
Restricted stock	160		40.83		6,544	1-4 years
Restricted stock units	16		40.66		661	4 years
Stock options	109		7.83		849	1-5 years