Investments (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Gain on investments	$ 982	$ 394	$ 2,100	$ 3,177
Other-than-temporary impairments	0	0	(246)	0
Net realized gains	982	394	1,854	3,177
US Treasury Securities and Obligation [Member]
Gain on investments	0	21	0	35
Corporate Bond Securities [Member]
Gain on investments	159	(21)	9	250
Collateralized Corporate Bank Loans [Member]
Gain on investments	93	(23)	229	617
Municipal Bonds [Member]
Gain on investments	(50)	(318)	(294)	(319)
Collateralized Mortgage Backed Securities [Member]
Gain on investments	0	0	0	0
Equity Securities Financial Services [Member]
Gain on investments	8	735	78	1,524
Equity Securities, Other [Member]
Gain on investments	$ 772	$ 0	$ 2,078	$ 1,070

This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting.

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The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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