FAIR VALUE (Tables)

6 Months Ended

Jun. 30, 2022

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

Assets and liabilities measured at fair value on a recurring basis are summarized in the following tables as of June 30, 2022, and December 31, 2021.

	June 30, 2022
	(Level 1)			(Level 2)		(Level 3)
Assets:
Available-for-sale securities:
U.S. Government-sponsored entities	$	—		$	111,393	$	—
U.S. Treasury securities		238,565			—		—
Mortgage-backed securities
Government-sponsored residential mortgage-backed securities		—			558,472		—
Private label residential mortgage-backed securities		—			179,457		—
Corporate		—			55,043		—
Small Business Administration loan pools		—			14,311		—
State and political subdivisions		—			130,939		—
Derivative assets:
Derivative assets (included in other assets)		—			5,806		—
Cash collateral held by counterparty and netting adjustments		(2,112	)		—		—
Total derivative assets		(2,112	)		5,806		—
Other assets:
Equity securities with readily determinable fair value		573			—		—
Total other assets		573			—		—
Total assets	$	237,026		$	1,055,421	$	—
Liabilities:
Derivative liabilities:
Derivative liabilities (included in other liabilities)	$	—		$	3,647	$	—
Cash collateral held by counterparty and netting adjustments		50			—		—
Total derivative liabilities		50			3,647		—
Total liabilities	$	50		$	3,647	$	—

	December 31, 2021
	(Level 1)			(Level 2)		(Level 3)
Assets:
Available-for-sale securities:
U.S. Government-sponsored entities	$	—		$	123,407	$	—
U.S. Treasury securities		155,602			—		—
Mortgage-backed securities
Government-sponsored residential mortgage-    backed securities		—			664,887		—
Private label residential mortgage-backed securities		—			171,688		—
Corporate		—			53,777		—
Small Business Administration loan pools		—			16,475		—
State and political subdivisions		—			141,606		—
Derivative assets:
Derivative assets (included in other assets)		—			5,021		—
Cash collateral held by counterparty and netting adjustments		2,994			—		—
Total derivative assets		2,994			5,021		—
Other assets:
Equity securities with readily determinable fair value		644			—		—
Total other assets		644			—		—
Total assets	$	159,240		$	1,176,861	$	—
Liabilities:
Derivative liabilities:
Derivative liabilities (included in other liabilities)	$	—		$	5,553	$	—
Cash collateral held by counterparty and netting adjustments		(5,447	)		—		—
Total derivative liabilities		(5,447	)		5,553		—
Total liabilities	$	(5,447	)	$	5,553	$	—

Summary of Assets Measured at Fair Value on Non-recurring Basis

Assets measured at fair value on a non-recurring basis are summarized below as of June 30, 2022, and December 31, 2021.

	June 30, 2022
	(Level 1)		(Level 2)		(Level 3)
Individually evaluated loans:
Commercial real estate	$	—	$	—	$	1,848
Commercial and industrial		—		—		1,020
Residential real estate		—		—		2,185
Agricultural real estate		—		—		2,002
Other		—		—		2,319
Other real estate owned:
Commercial real estate		—		—		2,175
Residential real estate		—		—		48

	December 31, 2021
	(Level 1)		(Level 2)		(Level 3)
Individually evaluated loans:
Commercial real estate	$	—	$	—	$	5,201
Commercial and industrial		—		—		2,793
Residential real estate		—		—		3,758
Agricultural real estate		—		—		2,101
Other		—		—		4,068
Other real estate owned:
Commercial real estate		—		—		2,043
Residential real estate		—		—		191

Summary of Additional Information about Unobservable Inputs Used in Fair Value Measurement

The following table presents additional information about the unobservable inputs used in the fair value measurement of financial assets measured on a nonrecurring basis that were categorized with Level 3 of the fair value hierarchy as of June 30, 2022, and December 31, 2021.

	Fair Value		Valuation Technique	Unobservable Input	Range (weighted average) or Multiple of Earnings
June 30, 2022
Individually evaluated real estate loans	$	9,374	Sales Comparison Approach	Adjustments for differences between comparable sales	5% - 52% (28%)
Individually evaluated other real estate owned	$	2,223	Sales Comparison Approach	Adjustments for differences between comparable sales	3% - 20% (12%)
December 31, 2021
Individually evaluated real estate loans	$	17,921	Sales Comparison Approach	Adjustments for differences between comparable sales	5% - 31% (18%)
Individually evaluated other real estate owned	$	2,234	Sales Comparison Approach	Adjustments for differences between comparable sales	3% - 20% (12%)

Carrying Amount and Estimated Fair Values of Financial Instrument

Carrying amount and estimated fair values of financial instruments at period end were as follows for June 30, 2022, and December 31, 2021.

	June 30, 2022
	Carrying Amount			Estimated Fair Value			(Level 1)			(Level 2)		(Level 3)
Financial assets:
Cash and cash equivalents	$	103,584		$	103,584		$	103,584		$	—	$	—
Available-for-sale securities		1,288,180			1,288,180			238,565			1,049,615		—
Loans held for sale		1,714			1,714			—			1,714		—
Loans, net of allowance for credit losses		3,175,208			3,134,957			—			—		3,134,957
Federal Reserve Bank and Federal Home    Loan Bank stock		21,479			21,479			—			21,479		—
Interest receivable		16,519			16,519			—			16,519		—
Derivative assets		5,806			5,806			—			5,806		—
Cash collateral held by derivative counterparty    and netting adjustments		(2,112	)		(2,112	)		(2,112	)		—		—
Total derivative assets		3,694			3,694			(2,112	)		5,806		—
Equity securities with readily determinable fair value		573			573			573			—		—
Total assets	$	4,610,951		$	4,570,700		$	340,610		$	1,095,133	$	3,134,957
Financial liabilities:
Deposits	$	4,291,771		$	4,284,337		$	—		$	4,284,337	$	—
Federal funds purchased and retail    repurchase agreements		52,750			52,750			—			52,750		—
Federal Home Loan Bank advances		80,000			80,000			—			80,000		—
Subordinated debentures		23,088			23,088			—			23,088		—
Subordinated notes		73,047			74,360			—			74,360		—
Contractual obligations		15,813			15,813			—			15,813		—
Interest payable		492			492			—			492		—
Derivative liabilities		3,647			3,647			—			3,647		—
Cash collateral held by derivative counterparty    and netting adjustments		50			50			50			—		—
Total derivative liabilities		3,697			3,697			50			3,647		—
Total liabilities	$	4,540,658		$	4,534,537		$	50		$	4,534,487	$	—

	December 31, 2021
	Carrying Amount			Estimated Fair Value			(Level 1)			(Level 2)		(Level 3)
Financial assets:
Cash and cash equivalents	$	259,954		$	259,954		$	259,954		$	—	$	—
Available-for-sale securities		1,327,442			1,327,442			155,601			1,171,841		—
Loans held for sale		4,214			4,214			—			4,214		—
Loans, net of allowance for credit losses		3,107,262			3,100,232			—			—		3,100,232
Federal Reserve Bank and Federal Home    Loan Bank stock		17,510			17,510			—			17,510		—
Interest receivable		18,048			18,048			—			18,048		—
Derivative assets		5,021			5,021			—			5,021		—
Cash collateral held by derivative counterparty    and netting adjustments		2,994			2,994			2,994			—		—
Total derivative assets		8,015			8,015			2,994			5,021		—
Equity securities with readily determinable fair value		644			644			644			—		—
Total assets	$	4,743,089		$	4,736,059		$	419,193		$	1,216,634	$	3,100,232
Financial liabilities:
Deposits	$	4,420,004		$	4,421,441		$	—		$	4,421,441	$	—
Federal funds purchased and retail    repurchase agreements		56,006			56,006			—			56,006		—
Subordinated debentures		22,924			22,924			—			22,924		—
Subordinated notes		72,961			80,880			—			80,880		—
Contractual obligations		17,692			17,692			—			17,692		—
Interest payable		3,187			3,187			—			3,187		—
Derivative liabilities		5,553			5,553			—			5,553		—
Cash collateral held by derivative counterparty    and netting adjustments		(5,447	)		(5,447	)		(5,447	)		—		—
Total derivative liabilities		106			106			(5,447	)		5,553		—
Total liabilities	$	4,592,880		$	4,602,236		$	(5,447	)	$	4,607,683	$	—