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Schedule II - Consolidated Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II - Consolidated Valuation and Qualifying Accounts | SCHEDULE II - CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS
|  |  |  | Additions |  |  |  |
Description (in thousands) |  | Balance at beginning of period |  | Charged to costs and expenses |  | Charged to other accounts |  | Deductions (1) |  | Balance at end of period
Allowance for doubtful accounts receivable |  |  |  |  |  |  |  |  |  |
2020 |  | $ | 12,781 |  |  | $ | 7,042 |  |  | $ | — |  |  | $ | (4,349) |  |  | $ | 15,474 |
2019 |  | 8,325 |  |  | 4,678 |  |  | — |  |  | (222) |  |  | 12,781 |
2018 |  | 9,156 |  |  | 542 |  |  | — |  |  | (1,373) |  |  | 8,325 |
(1) Uncollectible accounts written off, net of recoveries and adjustments to estimates for the allowance for doubtful accounts receivable accounts.

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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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- References No definition available. + Details
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