SECURITIES (Tables)

12 Months Ended

Dec. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Amortized Cost and Estimated Fair Value of Securities Available for Sale

Amortized cost and estimated fair value of securities available for sale at December 31, 2023 and 2022 are as follows (in thousands):

	December 31, 2023
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Allowance for Credit Losses		Estimated Fair Value
U.S. treasury notes and bonds	$	59,812	$	—	$	4,480	$	—	$	55,332
Mortgage-backed securities, residential	476,240		6		72,422		—		403,824
Collateralized mortgage obligations	—		—		—		—		—
Obligations of states and political subdivisions	39,503		—		817		—		38,686
Corporate bonds and notes	25,750		—		5,081		—		20,669
SBA loan pools	67,787		75		2,380		—		65,482
Total	$	669,092	$	81	$	85,180	$	—	$	583,993

	December 31, 2022
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
U.S. treasury notes and bonds	$	61,800	$	—	$	6,225	$	55,574
Mortgage-backed securities, residential	518,838		—		83,707		435,131
Collateralized mortgage obligations	—		—		—		—
Obligations of states and political subdivisions	39,828		2		938		38,892
Corporate bonds and notes	25,750		—		3,780		21,970
SBA loan pools	82,982		155		2,116		81,022
Total	$	729,198	$	157	$	96,766	$	632,589

Amortized Cost and Estimated Fair Value of Debt Securities Available for Sale by Contractual Maturity

Securities not due at a single maturity date are shown separately (in thousands):

	December 31, 2023
	Amortized Cost		Estimated Fair Value
Within one year	$	5,678	$	5,594
After one, but within five years	101,391		94,363
After five, but within ten years	17,526		14,302
After ten years	470		428
Mortgage-backed securities: residential	476,240		403,824
SBA loan pools	67,787		65,482
Total	$	669,092	$	583,993

Amortized Cost and Estimated Fair Value of Securities Held to Maturity

Amortized cost and estimated fair value of securities held to maturity at December 31, 2023 and 2022 are as follows (in thousands):

	December 31, 2023
	Amortized Cost		Unrecognized Gains		Unrecognized Losses		Estimated Fair Value		Allowance for Credit Losses
Obligations of states and political subdivisions	$	785	$	—	$	—	$	785	$	—
Time deposits with other financial institutions	—		—		—		—		—
	$	785	$	—	$	—	$	785	$	—

	December 31, 2022
	Amortized Cost		Unrecognized Gains		Unrecognized Losses		Estimated Fair Value
Obligations of states and political subdivisions	$	952	$	—	$	—	$	952
Time deposits with other financial institutions	1,472		—		22		1,450
	$	2,424	$	—	$	22	$	2,402

Contractual Maturities of Securities Held to Maturity

The contractual maturity of securities held to maturity was as follows at December 31, 2023 (in thousands):

	December 31, 2023
	Amortized Cost		Fair Value
Within one year	$	—	$	—
After one, but within five years	145		145
After five, but within ten years	640		640
After ten years	—		—
Total	$	785	$	785

Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value

The following tables summarize the investment securities available for sale with unrealized losses, for which an allowance for credit losses has not been recorded as of December 31, 2023, and an other than temporary impairment (OTTI) has not been recorded as of December 31, 2022 aggregated by major security type and length of time in a continuous unrealized loss position (in thousands):

	Less than 12 months				12 months or longer				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
2023
U.S. treasury notes and bonds	$	—	$	—	$	55,332	$	4,480	$	55,332	$	4,480
Mortgage-backed securities: residential	—		—		402,986		72,422		402,986		72,422
Obligations of states and political subdivisions	17,891		241		20,686		576		38,577		817
Corporate bonds and notes	7,492		2,508		13,177		2,573		20,669		5,081
SBA loan pools	3,914		13		54,468		2,367		58,382		2,380
Total temporarily impaired securities	$	29,297	$	2,762	$	546,649	$	82,418	$	575,946	$	85,180

	Less than 12 months				12 months or longer				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
2022
U.S. treasury notes and bonds	$	1,011	$	30	$	54,563	$	6,195	$	55,574	$	6,225
Mortgage-backed securities, residential	79,891		7,621		355,240		76,086		435,131		83,707
Obligations of states and political subdivisions	37,847		938		—		—		37,847		938
Corporate bonds and notes	4,515		485		7,455		3,295		11,970		3,780
SBA loan pools	14,333		925		51,123		1,191		65,456		2,116
Total temporarily impaired securities	$	137,597	$	9,999	$	468,381	$	86,767	$	605,978	$	96,766