Cash and Cash Equivalents (Tables)

12 Months Ended

Dec. 31, 2013

Cash and Cash Equivalents [Abstract]

Schedule of Cash and Cash Equivalents [Table Text Block]

A summary of cash and cash equivalents follows (in thousands):

	December 31,
	2013		2012
Cash	$	355,951	$	394,565
Money market funds	50		50,055
	$	356,001	$	444,620