Cash and Cash Equivalents (Tables)

12 Months Ended

Dec. 31, 2014

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,
	2014		2013
Cash	$	153,749	$	355,951
Money market funds	50		50
	$	153,799	$	356,001