Quarterly report pursuant to Section 13 or 15(d)

RECLASSIFICATION FROM ACCUMULATED OTHER COMPREHENSIVE INCOME INTO NET INCOME (Details)

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RECLASSIFICATION FROM ACCUMULATED OTHER COMPREHENSIVE INCOME INTO NET INCOME (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Net realized gain (loss) on securities        
Gain on settlement of securities     $ (58)  
Reclassification of net realized (gain) loss on securities into earnings 3,698    3,698   
Gain on settlement of securities
       
Net realized gain (loss) on securities        
Gain on settlement of securities (58)   (58)  
Other-Than-Temporary Investment
       
Net realized gain (loss) on securities        
Impairment $ 3,756   $ 3,756