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Short-term borrowings (Tables) | 12 Months Ended
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Dec. 31, 2022
Short-term borrowings |
Summary of short-term borrowings | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | At and for the year ended December 31, 2022 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted | ​ | Weighted |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Maximum | ​ | Average | ​ | Average |
​ | ​ | Ending | ​ | Average | ​ | Month-End | ​ | Rate for | ​ | Rate at End |
(Dollars in thousands, except percents) |  | Balance |  | Balance |  | Balance |  | the Year |  | of the Period |
Other borrowings |  | $ | 14,530 |  | $ | 10,033 |  | $ | 16,100 |  | 2.10 | % | 4.33 | %
FHLB advances | ​ | ​ | 100,400 | ​ | ​ | 32,647 | ​ | ​ | 125,975 |  | 2.73 | ​ | 4.45 | ​
Total short-term borrowings | ​ | $ | 114,930 | ​ | $ | 42,680 | ​ | $ | 142,075 |  | 2.58 | % | 4.43 | %
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | At and for the year ended December 31, 2021 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted | ​ | Weighted |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Maximum | ​ | Average | ​ | Average |
​ | ​ | Ending | ​ | Average | ​ | Month-End | ​ | Rate for | ​ | Rate at End |
(Dollars in thousands, except percents) |  | Balance |  | Balance |  | Balance |  | the Year |  | of the Year |
FHLB advances | ​ | $ | ​ | ​ | $ | 13,973 | ​ | $ | 50,000 |  | 0.56 | % | ​ | %
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | At and for the year ended December 31, 2020 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted | ​ | Weighted |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Maximum | ​ | Average | ​ | Average |
​ | ​ | Ending | ​ | Average | ​ | Month-End | ​ | Rate for | ​ | Rate at End |
(Dollars in thousands, except percents) |  | Balance |  | Balance |  | Balance |  | the Year |  | of the Year |
FHLB advances | ​ | $ | 50,000 | ​ | $ | 83,716 | ​ | $ | 179,199 |  | 1.01 | % | 0.40 | %

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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 https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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