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VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |
BEGINNING BALANCE | $ 2,409 | $ 2,286
Add - Additions charged to earnings | 8,669 | 4,611
Deduct - Charges for purposes for which reserves were established | (8,412) | (4,488)
ENDING BALANCE | 2,666 | 2,409
Sales Returns and Allowances [Member] |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |
BEGINNING BALANCE | 986 | 951
Add - Additions charged to earnings | 5,289 | 122
Deduct - Charges for purposes for which reserves were established | (4,850) | (87)
ENDING BALANCE | 1,425 | 986
SEC Schedule, 12-09, Allowance, Credit Loss [Member] |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |
BEGINNING BALANCE | 1,423 | 1,335
Add - Additions charged to earnings | 3,380 | 4,489
Deduct - Charges for purposes for which reserves were established | (3,562) | (4,401)
ENDING BALANCE | $ 1,241 | $ 1,423

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: 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(Column B)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 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(Column E)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: 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(Column D)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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