Derivatives (Details - narrative items)		9 Months Ended
	Sep. 30, 2013 issuers	Sep. 30, 2013 [MinimumMember]	Sep. 30, 2013 [MaximumMember]	Sep. 30, 2013 [DesignatedAsHedgingInstrumentMember] derivatives	Dec. 31, 2012 [DesignatedAsHedgingInstrumentMember] derivatives
Derivatives Fair Value [Line Items]
Derivative number of instruments held				0	0
Credit derivative term		0 years 0 months 0 days	5 years 0 months 0 days
Number Of Credit Default Swaps Issuers In Default	0