DERIVATIVE INSTRUMENTS - Unrealized gain loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized gain on derivative instruments	$ 222,439	$ 236,055
Physical forward contracts and options
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized gain on derivative instruments	184,550	183,590
Financial swap contracts and options
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized gain on derivative instruments	36,237	54,101
Foreign exchange forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized gain on derivative instruments	$ 1,652	900
Other derivative options
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized gain on derivative instruments		$ (2,536)