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Securities (Details Textual) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014 investment	Mar. 31, 2013	Dec. 31, 2013
Gross gains	$ 1,402	$ 102
Gross losses	1,043	287
Pretax gain on sale of securities	359	(185)
Total fair value of investments	$ 152,498		$ 109,946
Continuous unrealized loss position, fair value (as a percent)	73.00%		61.00%
Number of investments	2
I Pretsl I B 2 Pooled Trust Security
Par value of investment	$ 2,000
Alesco Iv Series B2 Pooled Trust Security
Par value of investment	$ 2,000

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- Definition

This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position in percentage.

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- Definition

The par value of a pooled trust security classified under other securities with an unrealized loss by the temporary impairment during the reporting period.

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Investments, Number of Investments

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- Definition

This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 6

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- Definition

This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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-Publisher FASB

-Name Accounting Standards Codification

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This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.

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