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ACCOUNTS RECEIVABLE, NET OF ALLOWANCE FOR CREDIT LOSSES (Tables) | 12 Months Ended
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Dec. 31, 2020
Credit Loss [Abstract] |
Summary of Changes to Allowance for Credit Losses | A summary of the changes to allowance for credit losses follows:
| Fiscal Year Ended December 31, |  |
| 2020 |  | 2019 |  | 2018 |  |
Balance at beginning of period | $ | 1,468 |  | $ | 931 |  |  | $ | 809 |  |  |
Cumulative effect of new accounting principle | 189 |  | — |  |  | — |  |  |
Additions - charged to expense | 1,971 |  | 1,360 |  |  | 1,620 |  |  |
Deductions - bad debts written off, net of recoveries | (1,295) |  | (823) |  |  | (1,498) |  |  |
Balance at end of period | $ | 2,333 |  | $ | 1,468 |  |  | $ | 931 |  |  |

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- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 + Details
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- References No definition available. + Details
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