SECURITIES (Tables)

12 Months Ended

Dec. 31, 2021

Amortized Cost and Fair Value of Securities Available-for-Sale

The amortized cost and fair value of available-for-sale securities and the related gross unrealized gains and losses recognized in accumulated other comprehensive income were as follows.

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Allowance for Credit Losses		Fair Value
December 31, 2021
Available-for-sale securities
U.S. Government-sponsored entities	$	124,898	$	13	$	(1,504	)	$	—	$	123,407
U.S. Treasury securities		157,289	—			(1,687	)	—			155,602
Mortgage-backed securities
Government-sponsored residential mortgage-backed securities		661,584		10,215		(6,912	)	—			664,887
Private label residential mortgage-backed securities		173,717	—			(2,029	)	—			171,688
Corporate		52,555		1,437		(215	)	—			53,777
Small Business Administration loan pools		16,568		13		(106	)	—			16,475
State and political subdivisions		138,404		3,618		(416	)	—			141,606
	$	1,325,015	$	15,296	$	(12,869	)	$	—	$	1,327,442

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
December 31, 2020
Available-for-sale securities
U.S. Government-sponsored entities	$	996	$	27	$	—		$	1,023
U.S. Treasury securities		4,024		1	—				4,025
Mortgage-backed securities
Government-sponsored residential mortgage-backed securities		630,485		21,049		(109	)		651,425
Private label residential mortgage-backed securities		44,302		5		(129	)		44,178
Corporate		52,503		1,153		(6	)		53,650
Small Business Administration loan pools		1,226		44	—				1,270
State and political subdivisions		111,865		4,391	—				116,256
	$	845,401	$	26,670	$	(244	)	$	871,827

Fair Value and Amortized Cost of Debt Securities by Contractual Maturity

The fair value and amortized cost of debt securities at December 31, 2021, by contractual maturity, is shown below.  Expected maturities will differ from contractual maturities because issuers may have the right to call or prepay obligations with or without call or prepayment penalties.  Securities not due at a single maturity date, primarily mortgage-backed securities, are shown separately.

	Available-for-Sale
	Amortized Cost		Fair Value
Within one year	$	8,192	$	8,260
One to five years		98,660		98,570
Five to ten years		301,043		300,490
After ten years		81,819		83,547
Mortgage-backed securities		835,301		836,575
Total debt securities	$	1,325,015	$	1,327,442

Summary of Proceeds from Sales and Associated Gains and Losses

The proceeds from sales and the associated gains and losses on available-for-sale securities reclassified from other comprehensive income to income are listed below.

	2021		2020		2019
Proceeds	$	50,395	$	—	$	—
Gross gains		368		—		—
Gross losses		—		—		—
Income tax expense on net realized gains		93		—		—

Available for Sale Securities [Member]

Summary of Gross Unrealized Losses and Fair Value of Securities

The following tables show gross unrealized losses and fair value aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at December 31, 2021 and 2020.

	Less Than 12 Months					12 Months or More					Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
December 31, 2021
Available-for-sale securities
Mortgage-backed securities
Government-sponsored residential mortgage-backed securities	$	378,057	$	(6,860	)	$	2,868	$	(52	)	$	380,925	$	(6,912	)
Private label residential mortgage-backed securities		159,381		(1,978	)		2,208		(51	)		161,589		(2,029	)
U.S. Government-sponsored entities		117,618		(1,504	)		—		—			117,618		(1,504	)
U.S. Treasury securities		155,601		(1,687	)		—		—			155,601		(1,687	)
Corporate		4,785		(215	)		—		—			4,785		(215	)
Small Business Administration loan pools		15,459		(106	)		—		—			15,459		(106	)
State and political subdivisions		28,443		(416	)		—		—			28,443		(416	)
Total temporarily impaired securities	$	859,344	$	(12,766	)	$	5,076	$	(103	)	$	864,420	$	(12,869	)
December 31, 2020
Available-for-sale securities
Mortgage-backed securities
Government-sponsored residential mortgage-backed securities	$	28,770	$	(109	)	$	—	$	—		$	28,770	$	(109	)
Private label residential mortgage-backed securities		28,367		(129	)		—		—			28,367		(129	)
Corporate		3,908		(6	)		—		—			3,908		(6	)
Total temporarily impaired securities	$	61,045	$	(244	)	$	—	$	—		$	61,045	$	(244	)