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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule of Valuation and Qualifying Accounts Disclosure |
Description |  | Balance at Beginning of Year |  | Costs and Expenses |  | Cumulative Effect Adjustment (1) |  | Deductions (2) |  | Balance at End of Year
Allowance for credit losses |  |  |  |  |  |  |  |  |  |
Year Ended December 31, 2020 |  | $ | 14,466 |  |  | 3,269 |  |  | 3,150 |  |  | (2,854) |  |  | $ | 18,031 |
Year Ended December 31, 2019 |  | $ | 15,361 |  |  | 2,628 |  |  | — |  |  | (3,523) |  |  | $ | 14,466 |
Year Ended December 31, 2018 |  | $ | 17,230 |  |  | 2,123 |  |  | — |  |  | (3,992) |  |  | $ | 15,361 |
_________________ (1) Represents the adjustment to our allowance for credit losses, which was recorded to retained earnings upon the adoption of Accounting Standards Codification Topic 326. (2) Deductions primarily represent uncollectible balances of accounts receivable written off, net of recoveries.

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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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