Investment Securities - Amortized Cost and Market Value of Securities Available for Sale (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Investment Securities
Amortized Cost	$ 164,787	$ 173,453
Gross Unrealized Gains	12	8
Gross Unrealized Losses	(25,372)	(29,328)
Fair Value	139,427	144,133
Trading securities	0	0
Held to maturity	0	0
Collateralized mortgage obligations
Investment Securities
Amortized Cost	15,962	17,596
Gross Unrealized Gains	8	7
Gross Unrealized Losses	(2,309)	(2,348)
Fair Value	13,661	15,255
Agency mortgage-backed securities
Investment Securities
Amortized Cost	51,930	58,801
Gross Unrealized Losses	(5,816)	(6,908)
Fair Value	46,114	51,893
Municipal securities
Investment Securities
Amortized Cost	42,990	43,092
Gross Unrealized Gains	4	1
Gross Unrealized Losses	(9,265)	(10,796)
Fair Value	33,729	32,297
U.S. Government agency securities
Investment Securities
Amortized Cost	45,406	45,471
Gross Unrealized Losses	(7,712)	(8,891)
Fair Value	37,694	36,580
Corporate securities
Investment Securities
Amortized Cost	1,500	1,500
Gross Unrealized Losses	(216)	(175)
Fair Value	1,284	1,325
U.S. Treasury securities
Investment Securities
Amortized Cost	6,999	6,993
Gross Unrealized Losses	(54)	(210)
Fair Value	$ 6,945	$ 6,783

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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