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Fair Value of Assets and Liabilities
9 Months Ended
Sep. 30, 2020
Fair Value Disclosures [Abstract]  
Fair Value of Assets and Liabilities Fair Value of Assets and Liabilities
 
Fair Value Hierarchy and Fair Value Measurement
 
We group our assets and liabilities that are measured at fair value in three levels within the fair value hierarchy, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value. These levels are:
 
Level 1: Valuations are based on unadjusted quoted prices in active markets for identical assets or liabilities.
 
Level 2: Valuations are based on quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active and model-based valuations for which all significant assumptions are observable or can be corroborated by observable market data.
 
Level 3: Valuations are based on unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. Values are determined using pricing models and discounted cash flow models and may include significant Management judgment and estimation.

The following table summarizes our assets and liabilities that were required to be recorded at fair value on a recurring basis.
(in thousands)  
Description of Financial Instruments
Carrying ValueQuoted Prices in Active Markets for Identical Assets (Level 1)Significant Other Observable Inputs
(Level 2)
Significant Unobservable Inputs 
(Level 3)
Measurement Categories: Changes in Fair Value Recorded In1
September 30, 2020    
Securities available-for-sale:    
Mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies$241,189 $— $241,189 $— OCI
SBA-backed securities32,844 — 32,844 — OCI
Debentures of government sponsored agencies45,688 — 45,688 — OCI
Obligations of state and political subdivisions93,743 — 93,743 — OCI
Derivative financial liabilities (interest rate contracts)2,529 — 2,529 — NI
December 31, 2019    
Securities available-for-sale:   
Mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies$278,144 $— $278,144 $— OCI
SBA-backed securities36,286 — 36,286 — OCI
Debentures of government sponsored agencies49,046 — 49,046 — OCI
Obligations of state and political subdivisions67,282 — 67,282 — OCI
Corporate bonds1,502 — 1,502 — OCI
Derivative financial liabilities (interest rate contracts)1,178 — 1,178 — NI
 1 Other comprehensive income ("OCI") or net income ("NI").

Available-for-sale securities are recorded at fair value on a recurring basis. When available, quoted market prices (Level 1) are used to determine the fair value of available-for-sale securities. If quoted market prices are not available, we obtain pricing information from a reputable third-party service provider, who may utilize valuation techniques that use current market-based or independently sourced parameters, such as bid/ask prices, dealer-quoted prices, interest rates, benchmark yield curves, prepayment speeds, probability of default, loss severity and credit spreads (Level 2).   Level 2 securities include obligations of state and political subdivisions, U.S. agencies or government-sponsored agencies' debt securities, mortgage-backed securities, government agency-issued, privately-issued collateralized mortgage obligations, and corporate bonds. As of September 30, 2020 and December 31, 2019, there were no Level 1 or Level 3 securities.

Held-to-maturity securities may be written down to fair value as a result of other-than-temporary impairment, and we did not record any write-downs during the nine months ended September 30, 2020 or September 30, 2019. Fair value of held-to-maturity securities is determined using the same techniques discussed above for available-for-sale securities.
 
On a recurring basis, derivative financial instruments are recorded at fair value, which is based on the income approach using observable Level 2 market inputs, reflecting market expectations of future interest rates as of the measurement date.  Standard valuation techniques are used to calculate the present value of the future expected cash flows assuming an orderly transaction.  Valuation adjustments may be made to reflect both our own credit risk and the counterparties’ credit risk in determining the fair value of the derivatives. Level 2 inputs for the valuations are limited to observable market prices for London Interbank Offered Rate ("LIBOR") and Overnight Index Swap ("OIS") rates (for the very short term), quoted prices for LIBOR futures contracts, observable market prices for LIBOR and OIS swap rates, and one-month and three-month LIBOR basis spreads at commonly quoted intervals.  Mid-market pricing of the inputs is used as a practical expedient in the fair value measurements.  We project spot rates at reset days specified by each swap contract to determine future cash flows, then discount to present value using OIS curves as of the measurement date.  When the value of any collateral placed with counterparties is less than the interest rate derivative liability, a credit valuation adjustment ("CVA") is applied to reflect the credit risk we pose to counterparties.  We have used the spread between the Standard & Poor's BBB rated U.S. Bank Composite rate and LIBOR for the closest maturity term corresponding to the duration of the swaps to derive the CVA. A similar credit risk adjustment, correlated to the credit standing of the counterparty, is made
when collateral posted by the counterparty does not fully cover their liability to us. For further discussion on our methodology in valuing our derivative financial instruments, refer to Note 9, Derivative Financial Instruments and Hedging Activities.

Certain financial assets may be measured at fair value on a non-recurring basis. These assets are subject to fair value adjustments that result from the application of the lower of cost or fair value accounting or write-downs of individual assets, such as impaired loans that are collateral dependent and other real estate owned ("OREO"). As of September 30, 2020 and December 31, 2019, we did not carry any assets measured at fair value on a non-recurring basis.

Disclosures about Fair Value of Financial Instruments
 
The table below is a summary of fair value estimates for financial instruments as of September 30, 2020 and December 31, 2019, excluding financial instruments recorded at fair value on a recurring basis (summarized in the first table in this note). The carrying amounts in the following table are recorded in the consolidated statements of condition under the indicated captions. Further, we have not disclosed the fair value of financial instruments specifically excluded from disclosure requirements such as bank-owned life insurance policies ("BOLI") and non-maturity deposit liabilities. Additionally, we held shares of Federal Home Loan Bank ("FHLB") of San Francisco stock and Visa Inc. Class B common stock, both recorded at cost, as there was no impairment or changes resulting from observable price changes in orderly transactions for the identical or a similar investment of the same issuer as of September 30, 2020 or December 31, 2019. The values are discussed in Note 4, Investment Securities.
 September 30, 2020December 31, 2019
(in thousands)Carrying AmountsFair ValueFair Value HierarchyCarrying AmountsFair ValueFair Value Hierarchy
Financial assets (recorded at amortized cost)  
Cash and cash equivalents$213,584 $213,584 Level 1$183,388 $183,388 Level 1
Investment securities held-to-maturity117,350 123,983 Level 2137,413 139,642 Level 2
Loans, net2,085,877 2,106,790 Level 31,826,609 1,839,666 Level 3
Interest receivable11,014 11,014 Level 27,732 7,732 Level 2
Financial liabilities (recorded at amortized cost)  
Time deposits98,084 98,495 Level 297,810 97,859 Level 2
Subordinated debenture2,760 2,994 Level 32,708 3,182 Level 3
Interest payable122 122 Level 2134 134 Level 2

Fair value of loans is based on exit price techniques and obtained from an independent third-party that uses its proprietary valuation model and methodology and may not reflect actual or prospective market valuations. The discounted cash flow valuation approach reflects key inputs and assumptions such as loan probability of default, loss given default, prepayment speed, and market discount rates.
Fair value of fixed-rate time deposits is estimated by discounting future contractual cash flows using discount rates that reflect the current market rates offered for time deposits of similar remaining maturities.
Fair value of the subordinated debenture is estimated using a discounted cash flow approach based on current interest rates for similar financial instruments adjusted for credit and liquidity spreads.

The value of unrecognized financial instruments is estimated based on the fee income associated with the commitments which, in the absence of credit exposure, is considered to approximate their settlement value. The fair value of commitment fees was not material as of September 30, 2020 or December 31, 2019.