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FAIR VALUE OF FINANCIAL INSTRUMENTS (Asset Inputs) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2012
Dec. 31, 2012
TRUP CDO Securities [Member]
Income Approach Valuation Technique [Member]
Level 3 [Member]
Dec. 31, 2012
TPS Securities [Member]
Income Approach Valuation Technique [Member]
Level 3 [Member]
Dec. 31, 2011
TPS Securities [Member]
Income Approach Valuation Technique [Member]
Level 3 [Member]
Minimum [Member]
Dec. 31, 2011
TPS Securities [Member]
Income Approach Valuation Technique [Member]
Level 3 [Member]
Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]            
Amortized Cost $ 112,663 $ 90,339 $ 32,000 $ 19,000    
Fair value inputs, discount rate, description of variable rate basis three-month LIBOR     three-month LIBOR    
Fair value inputs, discount rate, basis spread on variable rate basis       5.25% 6.00% 8.00%
Fair value gain     $ 3,300 $ 2,300