FAIR VALUE ACCOUNTING AND MEASUREMENT (Valuation Technique) (Details) (Weighted Average [Member], Level 3 [Member])	3 Months Ended
	Mar. 31, 2013
TPS Securities [Member] | Discounted cash flows [Member]
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]
Discount rate	5.54%
TRUP CDO Securities [Member] | Discounted cash flows [Member]
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]
Discount rate	4.09%
Mortgage Servicing Rights [Member]
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]
Prepayment rate	19.80%
Mortgage Servicing Rights [Member] | Discounted cash flows [Member]
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]
Discount rate	11.11%
Junior Subordinated Debt [Member] | Discounted cash flows [Member]
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]
Discount rate	5.54%