NOTE 4 - DERIVATIVES - Significantly Impact of operations (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Fee Income On Derivative Contracts	$ 3,200	$ 959	$ 10,800
Not Designated as Hedging Instrument [Member] | Interest rate swap
Derivative Asset, Notional Amount	490,780		445,022
Derivative Assets	36,078		22,196
Derivative Liability, Notional Amount	490,780		445,022
Derivative Liabilities	$ 36,078		$ 22,196