NOTE 4 - DERIVATIVES AND HEDGING ACTIVITIES - Significantly Impact of operations (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Derivative Assets	$ 195,973		$ 87,827
Derivative Liabilities	203,744		88,437
Fee Income On Derivative Contracts	6,800	$ 3,200	28,300
Not Designated as Hedging Instrument [Member] | Interest rate swap
Derivative Asset, Notional Amount	915,109		787,221
Derivative Assets	195,224		84,679
Derivative Liability, Notional Amount	915,109		787,221
Derivative Liabilities	$ 195,224		$ 84,679