INVESTMENT SECURITIES, TRADING (Details) $ in Millions |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2015
USD ($)
Security
|
Dec. 31, 2014
USD ($)
Security
|
|
| Investments, Debt and Equity Securities [Abstract] | ||
| Trading securities sold | 19 | 9 |
| Net realized gain (loss) on trading securities | $ | $ 1.4 | $ 3.0 |
| Number of trading securities held | 56 | 37 |