XML 122 R79.htm IDEA: XBRL DOCUMENT v3.6.0.2
DERIVATIVE INSTRUMENTS - Credit Risk (Details)
$ in Millions
Dec. 31, 2015
USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Derivative contracts in net liability position $ 5.8
Additional collateral if unsecured credit ratings is downgraded $ 5.8