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)