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Disclosures about fair value of assets and liabilities | 12 Months Ended
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Dec. 31, 2017
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Disclosures about fair value of assets and liabilities | Note 24 – Disclosures about fair value of assets and liabilities The Fair Value Measurements topic of the FASB ASC defines fair value, establishes a framework for measuring fair value and expands disclosures about fair value measurements. There are three levels of inputs that may be used to measure fair value:
Level 1 |  | Quoted prices in active markets for identical assets or liabilities
Level 2 |  | Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities
Level 3 |  | Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities
Following is a description of the valuation methodologies used for instruments measured at fair value on a recurring basis and recognized in the accompanying consolidated financial statements, as well as the general classification of such instruments pursuant to the valuation hierarchy. There have been no significant changes in the valuation techniques during the period ended December 31, 2017. For assets classified within Level 3 of the fair value hierarchy, the process used to develop the reported fair value is described below. Available for sale securities When quoted market prices are available in an active market, securities are classified within Level 1 of the valuation hierarchy. If quoted market prices are not available, then fair values are estimated by using pricing models, quoted prices of securities with similar characteristics or discounted cash flows. Level 2 securities include U.S. Treasury and federal agency securities, state and municipal securities, federal agency mortgage obligations and mortgage-backed pools, private-label mortgage-backed pools and corporate notes. Level 2 securities are valued by a third party pricing service commonly used in the banking industry utilizing observable inputs. Observable inputs include dealer quotes, market spreads, cash flow analysis, the U.S. Treasury yield curve, trade execution data, market consensus prepayment spreads and available credit information and the bond’s terms and conditions. The pricing provider utilizes evaluated pricing models that vary based on asset class. These models incorporate available market information including quoted prices of securities with similar characteristics and, because many fixed-income securities do not trade on a daily basis, apply available information through processes such as benchmark curves, benchmarking of like securities, sector grouping, and matrix pricing. In addition, model processes, such as an option adjusted spread model is used to develop prepayment and interest rate scenarios for securities with prepayment features. Hedged loans Certain fixed rate loans have been converted to variable rate loans by entering into interest rate swap agreements. The fair value of those fixed rate loans is based on discounting the estimated cash flows using interest rates determined by the respective interest rate swap agreement. Loans are classified within Level 2 of the valuation hierarchy based on the unobservable inputs used. Interest rate swap agreements The fair value of the Company’s interest rate swap agreements is estimated by a third party using inputs that are primarily unobservable including a yield curve, adjusted for liquidity and credit risk, contracted terms and discounted cash flow analysis, and therefore, are classified within Level 2 of the valuation hierarchy. The following table presents the fair value measurements of assets and liabilities recognized in the accompanying financial statements measured at fair value on a recurring basis and the level within the FASB ASC fair value hierarchy in which the fair value measurements fall at the following:
|  |  |  |  | Quoted Prices in Active Markets for Identical Assets |  |  | Significant Other Observable Inputs |  |  | Significant Unobservable Inputs |
|  | Fair Value |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and federal agencies |  | $ | 19,052 |  |  | $ | — |  |  | $ | 19,052 |  |  | $ | — |
State and municipal |  |  | 149,564 |  |  |  | — |  |  |  | 149,564 |  |  |  | — |
Federal agency collateralized mortgage obligations |  |  | 130,365 |  |  |  | — |  |  |  | 130,365 |  |  |  | — |
Federal agency mortgage-backed pools |  |  | 208,657 |  |  |  | — |  |  |  | 208,657 |  |  |  | — |
Private labeled mortgage-backed pools |  |  | 1,642 |  |  |  | — |  |  |  | 1,642 |  |  |  | — |
Corporate notes |  |  | 385 |  |  |  | — |  |  |  | 385 |  |  |  | — |
Total available-for-sale securities |  |  | 509,665 |  |  |  | — |  |  |  | 509,665 |  |  |  | — |
Hedged loans |  |  | 154,575 |  |  |  | — |  |  |  | 154,575 |  |  |  | — |
Forward sale commitments |  |  | 143 |  |  |  | — |  |  |  | 143 |  |  |  | — |
Interest rate swap agreements |  |  | (917 | ) |  |  | — |  |  |  | (917 | ) |  |  | — |
Commitments to originate loans |  |  | (3 | ) |  |  | — |  |  |  | (3 | ) |  |  | — |
December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and federal agencies |  | $ | 7,989 |  |  | $ | — |  |  | $ | 7,989 |  |  | $ | — |
State and municipal |  |  | 116,592 |  |  |  | — |  |  |  | 116,592 |  |  |  | — |
Federal agency collateralized mortgage obligations |  |  | 137,195 |  |  |  | — |  |  |  | 137,195 |  |  |  | — |
Federal agency mortgage-backed pools |  |  | 176,726 |  |  |  | — |  |  |  | 176,726 |  |  |  | — |
Corporate notes |  |  | 1,329 |  |  |  | — |  |  |  | 1,329 |  |  |  | — |
Total available-for-sale securities |  |  | 439,831 |  |  |  | — |  |  |  | 439,831 |  |  |  | — |
Hedged loans |  |  | 122,345 |  |  |  | — |  |  |  | 122,345 |  |  |  | — |
Forward sale commitments |  |  | 602 |  |  |  | — |  |  |  | 602 |  |  |  | — |
Interest rate swap agreements |  |  | (3,138 | ) |  |  | — |  |  |  | (3,138 | ) |  |  | — |
Commitments to originate loans |  |  | (22 | ) |  |  | — |  |  |  | (22 | ) |  |  | — |
Realized gains and losses included in net income for the periods are reported in the consolidated statements of income as follows:
Non Interest Income |  | Years Ended December 31 |
Total gains and losses from: |  | 2017 |  |  | 2016 |  |  | 2015 |
Hedged loans |  | $ | (817 | ) |  | $ | (1,776 | ) |  | $ | 574 |
Fair value interest rate swap agreements |  |  | 817 |  |  |  | 1,776 |  |  |  | (574 | )
Derivative loan commitments |  |  | (439 | ) |  |  | (62 | ) |  |  | 195 |
|  | $ | (439 | ) |  | $ | (62 | ) |  | $ | 195 |
Certain other assets are measured at fair value on a nonrecurring basis in the ordinary course of business and are subject to fair value adjustments in certain circumstances (for example, when there is evidence of impairment):
|  |  |  |  | Quoted Prices in Active Markets for Identical Assets |  |  | Significant Other Observable Inputs |  |  | Significant Unobservable Inputs |
|  | Fair Value |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impaired loans |  | $ | 6,957 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,957 |
Mortgage servicing rights |  |  | 11,602 |  |  |  | — |  |  |  | — |  |  |  | 11,602 |
December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impaired loans |  | $ | 2,246 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,246 |
Mortgage servicing rights |  |  | 11,174 |  |  |  | — |  |  |  | — |  |  |  | 11,174 |
Impaired (collateral dependent): Loans for which it is probable that the Company will not collect all principal and interest due according to contractual terms are measured for impairment. Allowable methods for determining the amount of impairment include estimating fair value using the fair value of the collateral for collateral-dependent loans. If the impaired loan is identified as collateral dependent, then the fair value method of measuring the amount of impairment is utilized. This method requires obtaining a current independent appraisal of the collateral and applying a discount factor to the value. Impaired loans that are collateral dependent are classified within Level 3 of the fair value hierarchy when impairment is determined using the fair value method. Mortgage Servicing Rights (MSRs): MSRs do not trade in an active market with readily observable prices. Accordingly, the fair value of these assets is classified as Level 3. The Company determines the fair value of MSRs using an income approach model based upon the Company’s month-end interest rate curve and prepayment assumptions. The model utilizes assumptions to estimate future net servicing income cash flows, including estimates of time decay, payoffs and changes in valuation inputs and assumptions. The Company reviews the valuation assumptions against this market data for reasonableness and adjusts the assumptions if deemed appropriate. The carrying amount of the MSRs were reduced by $587,000 in 2017 and $507,000 in 2016 for the fair value. The following table presents qualitative information about unobservable inputs used in recurring and nonrecurring Level 3 fair value measurements, other than goodwill, at December 31, 2017 and 2016.
|  | Fair Value at |  |  | Valuation |  |  |  | Range (Weighted |
|  | December 31, 2017 |  |  | Technique |  | Unobservable Inputs |  | Average) |
Impaired loans |  | $ | 6,957 |  |  | Collateral based measurement |  | Discount to reflect current market conditions and ultimate collectability |  |  | 0% - 46.8% (2.6%) |
Mortgage servicing rights |  | $ | 11,602 |  |  | Discounted cashflows |  | Discount rate, Constant prepayment rate, Probability of default |  |  | 9.6% - 10.8% (9.7%), 9.2% - 27.7% (10.5%), 0% - 1.5% (0.2%) |
|  | Fair Value at |  |  | Valuation |  |  |  | Range (Weighted |
|  | December 31, 2016 |  |  | Technique |  | Unobservable Inputs |  | Average) |
Impaired loans |  | $ | 2,246 |  |  | Collateral based measurement |  | Discount to reflect current market conditions and ultimate collectability |  |  | 10% - 16% (13%) |
Mortgage servicing rights |  | $ | 11,174 |  |  | Discounted cashflows |  | Discount rate, Constant prepayment rate, Probability of default |  |  | 10% - 16% (13%), 4% - 7% (4.6%), 1% - 10% (4.5%) |

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