FAIR VALUE ACCOUNTING AND MEASUREMENT (Asset Inputs) (Details) (USD $)			3 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 TRUP CDO Securities [Member] Discounted cash flows [Member] Level 3 [Member]	Jun. 30, 2013 TPS Securities [Member] Discounted cash flows [Member] Level 3 [Member] financial_institution	Mar. 31, 2013 TPS Securities [Member] Discounted cash flows [Member] Level 3 [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Amortized Cost	$ 77,974,000	$ 90,339,000	$ 31,000,000	$ 19,000,000
Number of Individual Financial Institutions Issuing Securities With No Direct Market Data or Independent Valuation Source Available				3
Discount Rate, Description of Variable Rate Basis				three-month LIBOR
Discount Rate, Basis Spread on Variable Rate Basis				5.25%	5.25%
Asset gains			$ 721,000	$ 0