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FEDERAL HOME LOAN BANK ADVANCES (Tables) | 3 Months Ended
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Mar. 31, 2021
FEDERAL HOME LOAN BANK ADVANCES |
Schedule of contractual maturities and weighted average interest rates of FHLB advances | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2021 |
(Dollars in thousands) | ​ | ​ | ​ | ​ | Weighted |
Contractual Maturity |  | Amount |  | Average Rate |
Overnight | ​ | $ | 175,000 | ​ | 0.32 | %
​ | ​ | ​ | ​ | ​ | ​ | ​
2021 | ​ |  | 308,865 |  | 0.35 | ​
2022 | ​ | ​ | 50,000 | ​ | 0.37 | ​
Total FHLB advances | ​ | $ | 533,865 |  | 0.34 | %
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2020 |
(Dollars in thousands) | ​ | ​ | ​ | ​ | Weighted |
Contractual Maturity |  | Amount |  | Average Rate |
Overnight | ​ | $ | — | ​ | — | %
​ | ​ | ​ | ​ | ​ | ​ | ​
2021 | ​ |  | 1,144,010 |  | 0.52 | ​
2022 | ​ | ​ | 60,000 | ​ | 0.60 | ​
Total FHLB advances | ​ | $ | 1,204,010 |  | 0.53 | %

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