Quarterly report pursuant to Section 13 or 15(d)

Investments (Details)

v2.4.0.8
Investments (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Investments, All Other Investments [Abstract]        
Long-term restricted investments $ 5,718 $ 5,718   $ 3,999
Purchases of restricted and other investments $ 1,719 $ 1,719 $ 0