NOTE 3 - INVESTMENT SECURITIES - Securities in a Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Securities held to maturity:
Securities held to maturity, less than 12 months, fair value	$ 2,081	$ 114,750
Securities held to maturity, less than 12 months, gross unrealized losses	(7)	(2,188)
Securities held to maturity, 12 months or more, fair value	7,839	69,412
Securities held to maturity, 12 months or more, gross unrealized losses	(118)	(4,616)
Securities held to maturity, fair value	9,920	184,162
Securities held to maturity, gross unrealized losses	(125)	(6,804)
Securities available for sale:
Securities available for sale, less than 12 months, fair value	4,746	46,980
Securities available for sale, less than 12 months, gross unrealized losses	(6)	(580)
Securities available for sale, 12 months or more, fair value	23,417	179,072
Securities available for sale, 12 months or more, gross unrealized losses	(268)	(5,536)
Securities available for sale, fair value	28,163	226,052
Securities available for sale, gross unrealized losses	(274)	(6,116)
US States and Political Subdivisions Debt Securities
Securities held to maturity:
Securities held to maturity, less than 12 months, fair value	1,037	114,201
Securities held to maturity, less than 12 months, gross unrealized losses	(1)	(2,187)
Securities held to maturity, 12 months or more, fair value	7,839	69,412
Securities held to maturity, 12 months or more, gross unrealized losses	(118)	(4,616)
Securities held to maturity, fair value	8,876	183,613
Securities held to maturity, gross unrealized losses	(119)	(6,803)
Securities available for sale:
Securities available for sale, less than 12 months, fair value	1,686	28,356
Securities available for sale, less than 12 months, gross unrealized losses	(3)	(394)
Securities available for sale, 12 months or more, fair value	723	15,932
Securities available for sale, 12 months or more, gross unrealized losses	(7)	(309)
Securities available for sale, fair value	2,409	44,288
Securities available for sale, gross unrealized losses	(10)	(703)
US Government Agencies Debt Securities
Securities available for sale:
Securities available for sale, less than 12 months, fair value	1,618	1,565
Securities available for sale, less than 12 months, gross unrealized losses	(1)	(34)
Securities available for sale, 12 months or more, fair value	2,318	29,605
Securities available for sale, 12 months or more, gross unrealized losses	(62)	(744)
Securities available for sale, fair value	3,936	31,170
Securities available for sale, gross unrealized losses	(63)	(778)
Residential Mortgage Backed Securities
Securities available for sale:
Securities available for sale, less than 12 months, fair value	1,194	12,810
Securities available for sale, less than 12 months, gross unrealized losses	(1)	(148)
Securities available for sale, 12 months or more, fair value	20,376	133,535
Securities available for sale, 12 months or more, gross unrealized losses	(199)	(4,483)
Securities available for sale, fair value	21,570	146,345
Securities available for sale, gross unrealized losses	(200)	(4,631)
Other Securities
Securities held to maturity:
Securities held to maturity, less than 12 months, fair value	1,044	549
Securities held to maturity, less than 12 months, gross unrealized losses	(6)	(1)
Securities held to maturity, fair value	1,044	549
Securities held to maturity, gross unrealized losses	(6)	(1)
Securities available for sale:
Securities available for sale, less than 12 months, fair value	248	4,249
Securities available for sale, less than 12 months, gross unrealized losses	(1)	(4)
Securities available for sale, fair value	248	4,249
Securities available for sale, gross unrealized losses	$ (1)	$ (4)

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