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v3.21.2

NOTES PAYABLE TO BANKS (Tables) | 6 Months Ended
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Jun. 30, 2021
NOTES PAYABLE TO BANKS |
Schedule of interest incurred and paid on the credit facility, interest capitalized related to facilities and equipment under construction, and the related weighted average interest rates on long term debt | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​ | Six months ended
​ | ​ | June 30, | ​ | June 30,
(in thousands) |  | 2021 |  | 2020 |  | 2021 |  | 2020
Interest incurred | ​ | $ | 65 | ​ | $ | 40 | ​ | $ | 106 | ​ | $ | 153
Interest paid | ​ | ​ | 40 | ​ | ​ | 40 | ​ | ​ | 82 | ​ | ​ | 80

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