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Schedule II Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II Valuation and Qualifying Accounts | Schedule II Valuation and Qualifying Accounts Changes in the Company’s allowance for doubtful accounts for accounts receivable for the years ended December 31, 2019, 2018 and 2017 are summarized below:
(in thousands) |  | Balance at Beginning of Year |  | Recoveries added to allowance |  | Bad debt expense |  | Write-offs |  | Balance at End of Year
Year Ended December, 31 2019 |  |
Allowance for doubtful accounts |  | $ | 534 |  |  | $ | 649 |  |  | $ | 1,743 |  |  | $ | (2,393 | ) |  | $ | 533 |
Year Ended December, 31 2018 |  |
Allowance for doubtful accounts |  | $ | 466 |  |  | $ | 631 |  |  | $ | 1,983 |  |  | $ | (2,546 | ) |  | $ | 534 |
Year Ended December, 31 2017 |  |
Allowance for doubtful accounts |  | $ | 759 |  |  | $ | 616 |  |  | $ | 2,179 |  |  | $ | (3,088 | ) |  | $ | 466 |

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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=26873400&loc=d3e24092-122690 + Details
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