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Note 15 - Commitments, Contingencies and Concentrations of Credit Risk | 12 Months Ended
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Dec. 31, 2020
Notes to Financial Statements |
Commitments and Contingencies Disclosure [Text Block] | Note 15. Commitments, Contingencies and Concentrations of Credit Risk The Company is party to financial instruments with off-balance-sheet risk in the normal course of business. These financial instruments include commitments to extend credit and standby letters of credit. These instruments involve, to varying degrees, elements of credit risk in excess of the amount recognized in the balance sheet. The Company’s exposure to credit loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit and standby letters of credit is represented by the contractual amount of those instruments. The Company uses the same credit policies in making commitments and conditional obligations as they do for on-balance-sheet instruments. A summary of the Company’s commitments at December 31, 2020 and 2019 is as follows (in thousands):
|  | 2020 |  |  | 2019 |
Commitments to extend credit |  | $ | 222,660 |  |  | $ | 207,168 |
Standby letters of credit |  |  | 7,168 |  |  |  | 7,633 |
Total commitments |  | $ | 229,828 |  |  | $ | 214,801 |
Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. At December 31, 2020 and 2019, approximately $131,862,000 and $135,679,000 of the commitments to extend credit were fixed interest rates. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. The Banks evaluate each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary by the Banks upon extension of credit, is based on management’s credit evaluation of the party. Standby letters of credit are conditional commitments issued by the Banks to guarantee the performance of a customer to a third-party. Those guarantees are primarily issued to support public and private borrowing arrangements. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. Collateral held varies and is required in instances which the Banks deem necessary. In the event the customer does not perform in accordance with the terms of the agreement with the third party, the Banks would be required to fund the commitment. The maximum potential amount of future payments the Banks could be required to make is represented by the contractual amount shown in the summary above. If the commitments were funded, the Banks would be entitled to seek recovery from the customer. At December 31, 2020 and 2019, the Banks have established liabilities totaling approximately $713,000 and $662,000, respectively to cover estimated credit losses for off-balance-sheet loan commitments and standby letters of credit. In the normal course of business, the Company is involved in various legal proceedings. In the opinion of management, any liability resulting from such proceedings would not have a material adverse effect on the Company’s financial statements. Concentrations of credit risk: The Banks originate real estate, consumer, and commercial loans, primarily in Boone, Clarke, Hancock, Marshall, Polk, Story and Union counties in Iowa, as well as adjacent counties. Although the Banks have diversified loan portfolios, a substantial portion of their borrowers’ ability to repay loans is dependent upon economic conditions in the Banks’ market areas.

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