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Discontinued Operations (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011 years securities	Sep. 30, 2010	Sep. 30, 2011 years securities	Sep. 30, 2010	Dec. 31, 2009
Discontinued Operations [Abstract]
Percentage of interest sold in Selective HR					100.00%
Period over which proceeds are scheduled to be received	10		10
Estimated sales price of Selective HR	$ 5,900,000		$ 5,900,000
Sales price received on subsidiary	2,500,000		2,500,000
After-tax charge	$ (650,000)	$ (1,634,000)	$ (650,000)	$ (3,749,000)

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This item represents the estimated proceeds associated with the sale of a subsidiary.

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X

- Definition

This item represents the percentage of the company's interest in its subsidiary that was sold.

+ Details

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X

- Definition

The number of years over which the proceeds from sale of subsidiary are scheduled to be received.

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Amount of sales price for sale of subsidiary that has been received as of the balance sheet date.

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- Definition

Gain (loss) after tax expense or benefit, not previously recognized and resulting from the sale of a business component, which is recognized at the date of sale. A gain (loss) reflects the amount by which the consideration received exceeds (is exceeded by) the net carrying amount (reflecting previous provisions for loss on disposal, if any) of the disposal group.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 144

-Paragraph 43

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.



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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 144

-Paragraph 47

-Subparagraph b

-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.



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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