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Borrowings (Tables) | 12 Months Ended
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Dec. 31, 2021
Borrowings |
Schedule of selected information on short-term borrowings | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, |
(Dollars in thousands) | ​ | 2021 | ​ | 2020 |
Balance outstanding at year end1 | ​ | $ | 34,735 | ​ | $ | 20,455 | ​
Maximum balance at any month end during the year | ​ | $ | 38,197 | ​ | $ | 60,481 | ​
Average balance for the year | ​ | $ | 27,360 | ​ | $ | 22,737 | ​
Weighted average rate for the year | ​ |  | 0.47 | % |  | 0.54 | %
Weighted average rate on borrowings at year end | ​ |  | 0.48 | % |  | 0.49 | %
Estimated fair value at year end | ​ | $ | 34,735 | ​ | $ | 20,455 | ​
1 | Consists of repurchase transactions with customers, which generally mature the day following the day sold and are secured by investment securities. |

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- Definition Tabular disclosure of short-term debt arrangements (having initial terms of repayment within one year or the normal operating cycle, if longer) including: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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