Investments (Details) (Municipal Bonds [Member], USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2013
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Dec. 31, 2012
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Municipal Bonds [Member]
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Unrealized Gains | $ 2,268 | $ 2,473 |
Unrealized Losses | $ 200 | $ 200 |
X | ||||||||||
- Definition
As of the balance sheet date, the excess of fair value over carrying value (amortized cost) of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding gain. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
As of the balance sheet date, the excess of carrying value (amortized cost) over fair value of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding loss. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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