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FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK (Tables) | 12 Months Ended
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Dec. 31, 2021
FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK |
Schedule of financial instruments with off-balance-sheet risk | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Contract or Notional Amount at
​ | ​ | December 31,
(Dollars in thousands) |  | 2021 |  | 2020
Financial instruments with off-balance-sheet risk: | ​ |  | ​ | ​ |  | ​
Commitments to originate loans | ​ | $ | 4,865 | ​ | $ | 82
Unused lines of credit | ​ | ​ | 2,740 | ​ | ​ | 1,971
Undisbursed portion of construction loans in process | ​ | ​ | 1,122 | ​ | ​ | 1,007
Unused overdraft privilege amounts | ​ | ​ | 1,075 | ​ | ​ | 1,004
Letters of credit | ​ | ​ | 2 | ​ | ​ | 500
Total | ​ | $ | 9,804 | ​ | $ | 4,564

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