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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 6 Months Ended
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Jun. 30, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | Schedule II - Valuation and Qualifying Accounts
| Beginning Balance |  | Additions (Charge to Expense) |  | Deductions (Write-offs, net of Recoveries) |  | Ending Balance
| (in thousands)
Allowance for doubtful accounts, customers and other: |  |  |  |  |  |  |
Year ended December 31, 2018 | $ | 549 |  |  | $ | 1,725 |  |  | $ | (1,111) |  |  | $ | 1,163 |
Year ended December 31, 2019 | 1,163 |  |  | 1,840 |  |  | (1,853) |  |  | 1,150 |
Year ended December 31, 2020 | 1,150 |  |  | 1,483 |  |  | (1,882) |  |  | 751 |
Tax valuation allowances: |  |  |  |  |  |  |
Year ended December 31, 2018 | $ | — |  |  | $ | 938 |  |  | $ | — |  |  | $ | 938 |
Year ended December 31, 2019 | 938 |  |  | 5,638 |  |  | — |  |  | 6,576 |
Year ended December 31, 2020 | 6,576 |  |  | 11,680 |  |  | — |  |  | 18,256 |

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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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