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INCOME TAXES (DETAILS 4) (USD $) In Thousands, unless otherwise specified									12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Retained earnings [Member]	Dec. 31, 2010 Retained earnings [Member]	Dec. 31, 2009 Retained earnings [Member]	Dec. 31, 2011 Accumulated other comprehensive income	Dec. 31, 2010 Accumulated other comprehensive income	Dec. 31, 2009 Accumulated other comprehensive income	Dec. 31, 2011 Operating Loss Carryforwards [Member] Retained earnings [Member]	Dec. 31, 2010 Operating Loss Carryforwards [Member] Retained earnings [Member]	Dec. 31, 2011 Capital Loss Carryforwards And Impairments [Member] Retained earnings [Member]	Dec. 31, 2010 Capital Loss Carryforwards And Impairments [Member] Retained earnings [Member]	Dec. 31, 2011 Net Unrealized Losses On Investments [Member] Accumulated other comprehensive income	Dec. 31, 2010 Net Unrealized Losses On Investments [Member] Accumulated other comprehensive income
Valuation Allowance [Roll Forward Abstract]
Valuation allowance - beginning of year	$ 21,264	$ 18,180	$ 30,623	$ 27,539	$ 36,231	$ (9,359)	$ (9,359)	$ (4,529)
Valuation allowance - change during year									12,593	5,714	(9,509)	(14,406)	0	(4,830)
Valuation allowance - ending of year	$ 21,264	$ 18,180	$ 30,623	$ 27,539	$ 36,231	$ (9,359)	$ (9,359)	$ (4,529)

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- Definition

The amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 109

-Paragraph 43

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319



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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Valuation Allowance

-URI http://asc.fasb.org/extlink&oid=6528051

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- Definition

The amount of the change in the period in the valuation allowance for a specified deferred tax asset.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 109

-Paragraph 26

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 109

-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 Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 45

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6907571&loc=d3e32123-109318

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