XML 45 R31.htm IDEA: XBRL DOCUMENT
v3.20.4

VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
--- | ---
Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
VALUATION AND QUALIFYING ACCOUNTS |
|  | Allowance for Doubtful Accounts |  | Inventory Reserve
Balance - December 31, 2017 |  | $ | 431 |  |  | $ | 2,315 |
Additions charged (credited) to costs and expenses |  | 43 |  |  | 898 |
Adjustments/deductions (a) |  | 136 |  |  | (638) |
Balance - December 31, 2018 |  | 610 |  |  | 2,575 |
Additions charged (credited) to costs and expenses |  | 1,776 |  |  | 7,069 |
Adjustments/deductions (a) |  | (306) |  |  | (5,363) |
Balance - December 31, 2019 |  | 2,080 |  |  | 4,281 |
Additions charged (credited) to costs and expenses |  | 140 |  |  | 5,964 |
Adjustments/deductions (a) |  | (128) |  |  | (7,463) |
Balance - December 31, 2020 |  | $ | 2,092 |  |  | $ | 2,782 |
(a) Represents write-offs and other adjustments

X
- 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
Name: | srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | srt_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | srt_ValuationAndQualifyingAccountsAbstract
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration