CORPORATE LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 10) (Corporate Loans, USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Concentrated risks
Number of issuers with whom a specified percentage of amortized cost of corporate loans is concentrated	20	20
Number of issuers with the largest concentration of corporate loans	3	3
Percent to Total Corporate Loans
Concentrated risks
Concentration risk of total amortized cost basis (as a percent)	46.00%	46.00%
Percent to Total Corporate Loans | Texas Competitive Electric Holdings Company LLC, Modular Space Corporation, and U.S. Foods Inc.
Concentrated risks
Concentration risk of total amortized cost basis (as a percent)	14.00%	16.00%
Amortized cost of corporate loans concentrated in major issuers (in dollars)	$ 935.2	$ 1,000.0