XML 74 R56.htm IDEA: XBRL DOCUMENT v3.22.1
DERIVATIVE FINANCIAL INSTRUMENTS: - Narrative (Details)
$ in Millions
Mar. 31, 2022
USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Derivatives in a net liability position $ 1.8
Collateral Already Posted, Aggregate Fair Value 0.0
Additional Collateral, Aggregate Fair Value $ 3.6