DISCLOSURES ABOUT FAIR VALUE OF ASSETS AND LIABILITIES (Tables)

9 Months Ended

Sep. 30, 2022

Fair Value Disclosures [Abstract]

Schedule of Fair Value Measurements of Assets and Liabilities Recognized in the Balance Sheets Measured at Fair Value on Recurring Basis

The following table presents the fair value measurements of assets and liabilities recognized in the accompanying balance sheets measured at fair value on a recurring basis and the level within the ASC 820 fair value hierarchy in which the fair value measurements fall at September 30, 2022, and December 31, 2021.

			Fair Value Measurements Using:
September 30, 2022	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Available for sale securities:
U.S. Treasury	$	2,067	$	2,067	$	—	$	—
U.S. Government-sponsored agency securities	105,766		—		105,766		—
State and municipal	1,344,956		—		1,339,484		5,472
U.S. Government-sponsored mortgage-backed securities	518,789		—		518,785		4
Corporate obligations	12,394		—		12,363		31
Derivative assets	99,086		—		99,086		—
Derivative liabilities	98,809		—		98,809		—

			Fair Value Measurements Using:
December 31, 2021	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Available for sale securities:
U.S. Treasury	$	999	$	999	$	—	$	—
U.S. Government-sponsored agency securities	95,136		—		95,136		—
State and municipal	1,576,532		—		1,571,076		5,456
U.S. Government-sponsored mortgage-backed securities	667,605		—		667,601		4
Corporate obligations	4,279		—		4,248		31
Derivative assets	41,133		—		41,133		—
Derivative liabilities	41,968		—		41,968		—

Schedule of Reconciliation of Beginning and Ending Balances of Recurring Fair Value Measurements Recognized in the Balance Sheets using Significant Unobservable Level 3 Inputs

The following is a reconciliation of the beginning and ending balances of recurring fair value measurements recognized in the accompanying

balance sheets using significant unobservable Level 3 inputs for the three and nine months ended September 30, 2022 and 2021.

	Available for Sale Securities
	Three Months Ended				Nine Months Ended
	September 30, 2022		September 30, 2021		September 30, 2022		September 30, 2021
Balance at beginning of the period	$	8,630	$	5,795	$	5,491	$	2,479
Included in other comprehensive income	29		(21)		(597)		333
Purchases, issuances and settlements	—		—		5,111		3,241
Principal payments	(3,152)		(174)		(4,498)		(453)
Ending balance	$	5,507	$	5,600	$	5,507	$	5,600

Schedule of Description of Valuation Methodologies Used for Instruments Measured at Fair Value on a Non-Recurring Basis and Recognized in the Balance Sheets

Following is a description of valuation methodologies used for instruments measured at fair value on a non-recurring basis and recognized in the accompanying balance sheets, as well as the general classification of such instruments pursuant to the valuation hierarchy at September 30, 2022, and December 31, 2021.

			Fair Value Measurements Using
September 30, 2022	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Collateral dependent loans	$	54,756	$	—	$	—	$	54,756

			Fair Value Measurements Using
December 31, 2021	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable  Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Collateral dependent loans	$	24,491	$	—	$	—	$	24,491
Other real estate owned	96		—		—		96

Schedule of Unobservable Inputs Used in Recurring and Nonrecurring Level 3 Fair Value Measurements Other than Goodwill

The following table presents quantitative information about unobservable inputs used in recurring and nonrecurring Level 3 fair value measurements, other than goodwill, at September 30, 2022 and December 31, 2021.

September 30, 2022	Fair Value		Valuation Technique	Unobservable Inputs	Range (Weighted-Average)
State and municipal securities	$	5,472	Discounted cash flow	Maturity/Call date	1 month to 15 years
				US Muni BQ curve	A- to BBB-
				Discount rate	0.4% - 4.0%
				Weighted-average coupon	2.3%
Corporate obligations and U.S. Government-sponsored mortgage-backed securities	$	35	Discounted cash flow	Risk free rate	3 month LIBOR
				plus premium for illiquidity (basis points)	plus 200bps
				Weighted-average coupon	0%
Collateral dependent loans	$	54,756	Collateral based measurements	Discount to reflect current market conditions and ultimate collectability	0% - 10%
				Weighted-average discount by loan balance	1.5%

December 31, 2021	Fair Value		Valuation Technique	Unobservable Inputs	Range (Weighted-Average)
State and municipal securities	$	5,456	Discounted cash flow	Maturity/Call date	1 month to 15 years
				US Muni BQ curve	A- to BBB-
				Discount rate	0.75% - 4%
				Weighted-average coupon	3.7%
Corporate obligations and U.S. Government-sponsored mortgage-backed securities	$	35	Discounted cash flow	Risk free rate	3 month LIBOR
				plus premium for illiquidity (basis points)	plus 200bps
				Weighted-average coupon	0%
Collateral dependent loans	$	24,491	Collateral based measurements	Discount to reflect current market conditions and ultimate collectability	0% - 10%
				Weighted-average discount by loan balance	5.5%
Other real estate owned	$	96	Appraisals	Discount to reflect current market conditions	0% - 44%
				Weighted-average discount of other real estate owned balance	43.5%

Schedule of Estimated Fair Values of Financial Instruments

The following table presents estimated fair values of the Corporation’s financial instruments and the level within the fair value hierarchy in which the fair value measurements fall at September 30, 2022 and December 31, 2021.

			September 30, 2022
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
	Carrying Amount		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash and due from banks	$	119,532	$	119,532	$	—	$	—
Interest-bearing deposits	179,593		179,593		—		—
Investment securities available for sale	1,983,972		2,067		1,976,398		5,507
Investment securities held to maturity	2,310,796		—		1,856,729		10,359
Loans held for sale	25,394		—		25,394		—
Loans, net	11,423,300		—		—		10,899,928
Federal Home Loan Bank stock	38,056		—		38,056		—
Derivative assets	99,086		—		99,086		—
Interest receivable	71,605		—		71,605		—
Liabilities:
Deposits	$	14,434,825	$	13,589,440	$	820,943	$	—
Borrowings:
Federal funds purchased	185,000		—		185,000		—
Securities sold under repurchase agreements	194,482		—		194,468		—
Federal Home Loan Bank advances	643,769		—		634,399		—
Subordinated debentures and other borrowings	151,301		—		138,407		—
Derivative liabilities	98,809		—		98,809		—
Interest payable	4,971		—		4,971		—

			December 31, 2021
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
	Carrying Amount		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash and due from banks	$	167,146	$	167,146	$	—	$	—
Interest-bearing deposits	474,154		474,154		—		—
Investment securities available for sale	2,344,551		999		2,338,061		5,491
Investment securities held to maturity	2,179,802		—		2,188,600		13,903
Loans held for sale	11,187		—		11,187		—
Loans, net	9,046,464		—		—		9,068,319
Federal Home Loan Bank stock	28,736		—		28,736		—
Interest rate swap asset	41,133		—		41,133		—
Interest receivable	57,187		—		57,187		—
Liabilities:
Deposits	$	12,732,577	$	12,038,992	$	690,089	$	—
Borrowings:
Securities sold under repurchase agreements	181,577		—		181,572		—
Federal Home Loan Bank advances	334,055		—		337,005		—
Subordinated debentures and other borrowings	118,618		—		107,892		—
Interest rate swap liability	41,968		—		41,968		—
Interest payable	2,762		—		2,762		—