Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statement Of Stockholders' Equity (Parenthetical)

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Consolidated Statement Of Stockholders' Equity (Parenthetical) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Consolidated Statement of Stockholders' Equity (Parenthetical) [Abstract]  
Tax on unrealized investment gain $ 623