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SECURITIES - Summary of securities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Available for sale securities
Amortized Cost	$ 205,602	$ 325,960
Gross Unrealized Gains		469
Gross Unrealized Losses	(26,556)	(21,792)
Estimated Fair Value	179,046	304,637
Held to maturity securities
Amortized Cost	77,154	45,097
Gross Unrealized Gains		115
Gross Unrealized Losses	(2,266)	(1,442)
Estimated Fair Value	74,888	43,770
U.S. Treasury securities
Available for sale securities
Amortized Cost	49,659	149,614
Gross Unrealized Losses	(7,824)	(7,517)
Estimated Fair Value	41,835	142,097
Held to maturity securities
Amortized Cost	73,002	39,902
Gross Unrealized Gains		115
Gross Unrealized Losses	(2,264)	(1,440)
Estimated Fair Value	70,738	38,577
Obligations of U.S. Government sponsored agencies
Available for sale securities
Amortized Cost	31,888	24,935
Gross Unrealized Losses	(4,108)	(3,186)
Estimated Fair Value	27,780	21,749
Obligations of states and political subdivisions
Available for sale securities
Amortized Cost	63,941	90,701
Gross Unrealized Gains		88
Gross Unrealized Losses	(9,820)	(7,603)
Estimated Fair Value	54,121	83,186
Held to maturity securities
Amortized Cost	4,152	5,195
Gross Unrealized Losses	(2)	(2)
Estimated Fair Value	4,150	5,193
Mortgage-backed securities
Available for sale securities
Amortized Cost	38,692	38,701
Gross Unrealized Losses	(2,852)	(2,064)
Estimated Fair Value	35,840	36,637
Corporate notes
Available for sale securities
Amortized Cost	20,682	21,005
Gross Unrealized Gains		381
Gross Unrealized Losses	(1,944)	(1,392)
Estimated Fair Value	18,738	19,994
Certificates of deposit
Available for sale securities
Amortized Cost	740	1,004
Gross Unrealized Losses	(8)	(30)
Estimated Fair Value	$ 732	$ 974

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