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VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 31, 2020
VALUATION AND QUALIFYING ACCOUNTS |
VALUATION AND QUALIFYING ACCOUNTS | 19. VALUATION AND QUALIFYING ACCOUNTS ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Deducted from Assets
​ | ​ | Doubtful | ​ | Returns and | ​ | ​ | ​
​ |  | Accounts |  | Allowances |  | Total
​ | ​ | (Dollars in thousands)
BALANCE, DECEMBER 31, 2018 | ​ | $ | 951 | ​ | $ | 1,335 | ​ | $ | 2,286
Add - Additions charged to earnings | ​ |  | 122 | ​ |  | 4,489 | ​ |  | 4,611
Deduct - Charges for purposes for which reserves were established | ​ |  | (87) | ​ |  | (4,401) | ​ |  | (4,488)
BALANCE, DECEMBER 31, 2019 | ​ | $ | 986 | ​ | $ | 1,423 | ​ | $ | 2,409
Add - Additions charged to earnings | ​ |  | 5,289 | ​ |  | 3,380 | ​ |  | 8,669
Deduct - Charges for purposes for which reserves were established | ​ |  | (4,850) | ​ |  | (3,562) | ​ |  | (8,412)
BALANCE, DECEMBER 31, 2020 | ​ | $ | 1,425 | ​ | $ | 1,241 | ​ | $ | 2,666
​

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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