v2.4.0.6
FAIR VALUE MEASUREMENTS (DETAILS) (Income Approach [Member], Level 3 [Member], CLO Equity Tranched Securities [Member])
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
CLO - equity tranched securities significant valuation inputs [Line Items]    
Loss severity rate 53.50% 65.00%
Minimum [Member]
   
CLO - equity tranched securities significant valuation inputs [Line Items]    
Default rates 4.00% 3.80%
Collateral spreads 2.60% 2.40%
Estimated maturity dates (years) 2.5 1.5
Maximum [Member]
   
CLO - equity tranched securities significant valuation inputs [Line Items]    
Default rates 5.00% 5.00%
Collateral spreads 4.20% 4.20%
Estimated maturity dates (years) 5.2 10.5