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Fair Value Measurements
12 Months Ended
Dec. 31, 2021
Fair Value Disclosures [Abstract]  
Fair Value Measurements FAIR VALUE MEASUREMENTS
Fair value of an asset or liability is the price that would be received to sell that asset or paid to transfer that liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date.  ASC Topic 820 establishes a fair value hierarchy for valuation inputs that gives the highest priority to quoted prices in active markets for identical assets or liabilities and the lowest priority to unobservable inputs. The fair value hierarchy is as follows:

Level 1: Quoted prices (unadjusted) for identical assets or liabilities in active markets that the entity has the ability to access as of the measurement date.

Level 2: Significant other observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities, quoted prices in markets that are less active, and other inputs that are observable or can be corroborated by observable market data.

Level 3: Significant unobservable inputs that reflect a company’s own assumptions about the assumptions that market participants would use in pricing an asset or liability.

The Company bases fair value of assets and liabilities on quoted market prices, prices for similar assets or liabilities, quoted prices in markets that are not active, and other inputs that are observable or can be corroborated by observable market data.  If such information is not available, fair value is based upon internally developed models that primarily use, as inputs, observable market-based parameters.  Valuation adjustments may be made to ensure that financial instruments are recorded at fair value.  These adjustments may include amounts to reflect counterparty creditworthiness, as well as unobservable parameters.  Any such valuation adjustments are applied consistently over time.  The Company’s valuation methodologies may produce a fair value calculation that may not be indicative of net realizable value or reflective of future fair values.  While management believes the Company’s valuation methodologies are appropriate and consistent with other market participants, the use of different methodologies or assumptions to determine fair value of certain financial instruments could result in a different estimate of fair value at the reporting date.  Furthermore, the reported fair value amounts have not been comprehensively revalued since the presentation dates, and therefore, estimates of fair value after the balance sheet date may differ significantly from the amount presented herein.  A more detailed description of the valuation methodologies used for assets and liabilities measured at fair value, as well as the general classification of such instruments pursuant to the valuation hierarchy, is set forth below.  

Financial Assets and Liabilities

The Company used the following methods and significant assumptions to estimate fair value for financial assets and liabilities measured on a recurring basis.

Securities Available for Sale.  Securities available for sale are reported at fair value utilizing Level 1, Level 2, and Level 3 inputs.  The fair value of securities available for sale is determined by utilizing a market approach by obtaining quoted prices on nationally recognized securities exchanges (other than forced or distressed transactions) that occur in sufficient volume or matrix pricing, which is a mathematical technique used widely in the industry to value debt securities without relying exclusively on quoted prices for the specific securities but rather by relying on the securities’ relationship to other benchmark quoted securities.  If such measurements are unavailable, the security is classified as Level 3.  Significant judgment is required to make this determination.

The Company utilizes a third party pricing service provider to value its Level 1 and Level 2 investment securities.  Annually, the Company obtains an independent auditor’s report from its third party pricing service provider regarding its controls over investment securities.  Although an unqualified opinion regarding the design and operating effectiveness of controls was issued, the report did contain caveats and disclaimers regarding the pricing information, such as the Company should review market values for reasonableness. On a quarterly basis, the Company reprices its debt securities with a third party that is independent of the primary pricing service provider to verify the reasonableness of the fair values.

Derivatives. Derivatives are reported at fair value utilizing Level 2 inputs.  The Company utilizes a market approach by obtaining dealer quotations to value its customer interest rate swaps.  The Company’s derivatives are included within "other assets" and "other liabilities" in the accompanying consolidated balance sheets. Derivative assets are typically secured through securities with financial counterparties or cross collateralization with a borrowing customer. Derivative liabilities are typically secured through the Company pledging securities to financial counterparties or, in the case of a borrowing customer, by the right of setoff. The Company considers factors such as the likelihood of default by itself and its counterparties, right of setoff,
and remaining maturities in determining the appropriate fair value adjustments. All derivative counterparties approved by the Company's Asset and Liability Committee ("ALCO") are regularly reviewed, and appropriate business action is taken to adjust the exposure to certain counterparties, if necessary. Counterparty exposure is evaluated by netting positions that are subject to master netting agreements, as well as considering the amount of marketable collateral securing the position. This approach used to estimate impacted exposures to counterparties is also used by the Company to estimate its own credit risk in derivative liability positions. To date, no material losses have been incurred due to a counterparty's inability to pay any undercollateralized position. There was no significant change in the value of derivative assets and liabilities attributed to credit risk that would have resulted in a derivative credit risk valuation adjustment at December 31, 2021.

The Company may be required, from time to time, to measure certain financial assets and financial liabilities at fair value on a nonrecurring basis.  Financial assets measured at fair value on a nonrecurring basis include impaired loans reported at the fair value of the underlying collateral if repayment is expected solely from the collateral.  Collateral values are estimated using inputs based on observable market data.  The following table presents the Company's assets and liabilities measured at fair value (in thousands):
TotalLevel 1Level 2Level 3Total Gains (Losses)
December 31, 2021
Recurring fair value measurements
Financial Assets
Obligations of states and political subdivisions
$272,216 $ $272,216 $ 
     Mortgage-backed securities:
          U.S. Government agencies1,094,311  1,094,311  
          Private label9,108  5,647 3,461 
     Trust preferred securities4,203  4,203  
     Corporate securities28,327  28,327  
     Marketable equity securities9,211 4,134 5,077  
     Certificates of deposit held for investment 996  996  
     Derivative assets29,029  29,029  
Financial Liabilities
     Derivative liabilities24,283  24,283  
Nonrecurring fair value measurements
Financial Assets
     Loans individually evaluated$ $ $ $ $(478)
Non-Financial Assets
     Other real estate owned1,319   1,319 (2)
 
TotalLevel 1Level 2Level 3Total Gains (Losses)
December 31, 2020
Recurring fair value measurements
Financial Assets
Obligations of states and political subdivisions
$277,811 $— $277,811 $— 
     Mortgage-backed securities:
      U.S. Government agencies850,384 — 850,384 — 
      Private label10,892 — 6,061 4,831 
     Trust preferred securities4,100 — 4,100 — 
     Corporate securities33,610 — 29,606 4,004 
     Marketable equity securities11,839 6,800 5,039 — 
     Certificates of deposit held for investment 1,992 — 1,992 — 
     Derivative assets53,166 — 53,166 — 
Financial Liabilities
     Derivative liabilities53,288 — 53,288 — 
Nonrecurring fair value measurements
Financial Assets
     Loans individually evaluated$4,101 $— $— $4,101 $(1,118)
Non-Financial Assets
     Other real estate owned1,650 — — 1,650 (292)

    The Company's financial assets and liabilities measured at fair value on a nonrecurring basis using significant unobservable inputs (Level 3) include impaired loans that were re-measured and reported at fair value through a specific valuation allowance allocation of the allowance for credit losses based upon the fair value of the underlying collateral (in thousands).  The fair value of impaired loans is estimated using one of several methods, including collateral value, liquidation value and discounted cash flows.  The significant unobservable inputs used in the fair value measurement of collateral for collateral-dependent impaired loans primarily relate to discounts applied to the customers’ reported amount of collateral.  The amount of collateral discount depends upon the marketability of the underlying collateral. During the years ended December 31, 2021 and 2020, collateral discounts ranged from 10% to 30%. During the years ended December 31, 2021 and 2020, the Company had no Level 2 financial assets and liabilities that were measured on a nonrecurring basis.

Non-Financial Assets and Liabilities

The Company has no non-financial assets or liabilities measured at fair value on a recurring basis.  Certain non-financial assets measured at fair value on a non-recurring basis include other real estate owned ("OREO"), which is measured at the lower of cost or fair value.

Fair Value of Financial Instruments

ASC Topic 825 "Financial Instruments," as amended, requires disclosure of fair value information about financial instruments, whether or not recognized in the balance sheet, for which it is practicable to estimate that value.  In cases where quoted market prices are not available, fair values are based on estimates using present value or other valuation techniques.  Those techniques are significantly affected by the assumptions used, including discount rates and estimate of future cash flows.  In that regard, the derived fair value estimates cannot be substantiated by comparison to independent markets and, in many cases, could not be realized in immediate settlement of the instrument. ASC Topic 825 excludes certain financial instruments and all nonfinancial instruments from its disclosure requirements. Accordingly, the aggregate fair value amounts presented do not represent the underlying value of the Company.
The following table represents the estimates of fair value of financial instruments (in thousands). This table excludes financial instruments for which the carrying amount approximates fair value. For short-term financial assets such as cash and cash equivalents, the carrying amount is a reasonable estimate of fair value due to the relatively short time between the origination of the instrument and its expected realization. For financial liabilities such as noninterest-bearing demand, interest-bearing demand and savings deposits, the carrying amount is a reasonable estimate of fair value due to these products having no stated maturity. 
Carrying AmountFair ValueLevel 1Level 2Level 3
December 31, 2021
Assets:
Cash and cash equivalents$634,631 $634,631 $634,631 $ $ 
Securities available-for-sale1,408,165 1,408,165  1,404,704 3,461 
Marketable equity securities9,211 9,211 4,134 5,077  
Net loans3,525,648 3,456,539   3,456,539 
Accrued interest receivable15,627 15,627 15,627   
Derivative assets29,029 29,029  29,029  
Liabilities:
Deposits4,925,336 4,926,724 3,856,421 1,070,303  
Short-term debt312,458 312,458  312,458  
Accrued interest payable600 600 600  — 
Derivative liabilities24,283 24,283 — 24,283 — 
December 31, 2020
Assets:
Cash and cash equivalents$528,659 $528,659 $528,659 $— $— 
Securities available-for-sale1,176,797 1,176,797 — 1,167,962 8,835 
Marketable equity securities11,839 11,839 6,800 5,039 — 
Net loans3,597,570 3,578,013 — — 3,578,013 
Accrued interest receivable15,793 15,793 15,793 — — 
Derivative assets53,166 53,166 — 53,166 — 
Liabilities:
Deposits4,652,216 4,665,905 3,392,194 1,273,711 — 
Short-term debt295,956 295,956 — 295,956 — 
Accrued interest payable1,586 1,586 1,586 — — 
Derivative liabilities53,288 53,288 — 53,288 —