Quarterly report pursuant to Section 13 or 15(d)

Investments (Details 2)

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Investments (Details 2) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Trading securities portfolio          
Trading securities portfolio $ 1,317   $ 1,317   $ 1,429
Losses   121   46  
Gains $ 44   $ 104