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BORROWED FUNDS (Tables) | 9 Months Ended
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Sep. 30, 2020
Debt Disclosure [Abstract] |
Schedule of Borrowed Funds | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2020 | ​ | December 31, 2019 |
​ | ​ | ​ | ​ | ​ | Weighted | ​ | ​ | ​ | ​ | Weighted | ​
(dollars in thousands) |  | Carrying Value |  | Average Rate |  | Carrying Value |  | Average Rate |
Short-term borrowings | ​ |  | ​ | ​ |  | ​ |  | ​ | ​ |  |
Advances from the FHLB | ​ | $ | 41,672 |  | 1.69 | % | $ | 303,286 |  | 1.83 | %
Other borrowings | ​ |  | 30,048 |  | 0.60 | ​ |  | 44,832 |  | 0.99 | ​
Total short-term borrowings | ​ |  | 71,720 |  | 1.20 | ​ |  | 348,118 |  | 1.73 | ​
Long-term borrowings | ​ |  |  |  |  | ​ |  |  |  |  | ​
Advances from the FHLB | ​ |  | 182,609 |  | 1.73 | ​ |  | 123,278 |  | 1.93 | ​
Advances from the FRB PPPLF | ​ | ​ | 131,143 | ​ | 0.35 | ​ | ​ | — | ​ | — | ​
Subordinated borrowings | ​ |  | 59,920 |  | 4.48 | ​ |  | 59,920 |  | 5.53 | ​
Total long-term borrowings | ​ |  | 373,672 |  | 1.69 | ​ |  | 183,198 |  | 2.87 | ​
Total | ​ | $ | 445,392 |  | 1.60 | % | $ | 531,316 |  | 2.11 | %
Summary of Maturities of FHLB Advances | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2020 |
​ |  | ​ | ​ |  | Weighted Average |
(in thousands, except rates) | ​ | Carrying Value | ​ | Rate |
Fixed rate advances maturing: |  | ​ |  |  |  | ​
2020 | ​ | $ | 1,000 |  | 1.65 | %
2021 | ​ |  | 40,672 |  | 1.69 | ​
2022 | ​ |  | 75,000 |  | 1.87 | ​
2023 | ​ |  | 80,000 |  | 1.77 | ​
2024 | ​ |  | 7,300 |  | 1.16 | ​
2025 and thereafter | ​ |  | 20,309 |  | 1.25 | ​
Total FHLB advances | ​ | $ | 224,281 |  | 1.72 | %

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- Definition Tabular disclosure of the contractual maturities and weighted average interest rates on borrowings or advances from Federal Home Loan Bank. + References No definition available. + Details
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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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