FAIR VALUE MEASUREMENTS (Details - Long Term Debt) - Borrowings supported by assets - GIAs	Dec. 31, 2018
Debt Instrument [Line Items]
Range of guaranteed minimum return rates (as a percent)	7.62%
Maximum
Debt Instrument [Line Items]
Range of guaranteed minimum return rates (as a percent)	7.62%
Minimum
Debt Instrument [Line Items]
Range of guaranteed minimum return rates (as a percent)	0.50%