Investment Securities - Schedule of Investment Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Sep. 01, 2022
Securities Available for Sale:
Amortized Cost	$ 477,070	$ 490,206
Gross Unrealized Gains	3	173
Gross Unrealized Losses	(55,825)	(57,826)
Fair Value	421,248	432,553
Securities Held to Maturity:
Amortized Cost	453,912	465,858
Gross Unrealized Gains	79	32
Gross Unrealized Losses	(49,285)	(54,626)
Fair Value	404,706	411,264	$ 477,000
U.S. treasury securities
Securities Available for Sale:
Amortized Cost	1,494	1,644
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(16)	(22)
Fair Value	1,478	1,622
Securities Held to Maturity:
Amortized Cost	92,454	91,615
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(4,601)	(4,149)
Fair Value	87,853	87,466
U.S. agency
Securities Available for Sale:
Amortized Cost	4,706	5,035
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(454)	(450)
Fair Value	4,252	4,585
Securities Held to Maturity:
Amortized Cost	16,345	16,409
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(1,766)	(1,838)
Fair Value	14,579	14,571
Asset backed securities
Securities Available for Sale:
Amortized Cost	28,462	31,468
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(678)	(1,480)
Fair Value	27,784	29,988
State, county & municipal securities
Securities Available for Sale:
Amortized Cost	125,409	126,119
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(18,301)	(21,363)
Fair Value	107,108	104,756
Securities Held to Maturity:
Amortized Cost	136,407	136,138
Gross Unrealized Gains	79	32
Gross Unrealized Losses	(15,519)	(19,518)
Fair Value	120,967	116,652
Corporate debt securities
Securities Available for Sale:
Amortized Cost	54,701	54,741
Gross Unrealized Gains	0	164
Gross Unrealized Losses	(7,965)	(5,320)
Fair Value	46,736	49,585
Mortgage-backed securities
Securities Available for Sale:
Amortized Cost	262,298	271,199
Gross Unrealized Gains	3	9
Gross Unrealized Losses	(28,411)	(29,191)
Fair Value	233,890	242,017
Securities Held to Maturity:
Amortized Cost	208,706	221,696
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(27,399)	(29,121)
Fair Value	$ 181,307	$ 192,575

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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