XML 106 R114.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
DERIVATIVES AND HEDGING DERIVATIVES AND HEDGING (Narrative) (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Derivative, Net Liability Position, Aggregate Fair Value $ 15.2 $ 1.3
Collateral Already Posted, Aggregate Fair Value $ 28.1 $ 13.6