Investments (Tables)

6 Months Ended

Jun. 30, 2012

Investments [Abstract]

Investments in Marketable Equity Securities [Table Text Block]

	June 30,		December 31,
(in thousands)	2012		2011
Total cost	$	213,831	$	169,271
Net unrealized gains		172,064		133,930
Total Fair Value	$	385,895	$	303,201