FAIR VALUE ACCOUNTING AND MEASUREMENT (Unobservable Inputs Rollforward) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Junior Subordinated Debt [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 73,471,000	$ 70,553,000	$ 73,063,000	$ 49,988,000
Liabilities (gains)	166,000	2,518,000	574,000	23,083,000
Ending balance	73,637,000	73,071,000	73,637,000	73,071,000
TPS and TRUP CDOs [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	35,105,000	32,493,000	35,741,000	30,455,000
Assets gains, including OTTI	(10,000)	2,687,000	(646,000)	4,725,000
Ending balance	$ 35,095,000	$ 35,180,000	$ 35,095,000	$ 35,180,000