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v3.19.3.a.u2

Consolidated Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Accumulated provision for uncollectible accounts - customers |  |  |
Consolidated Valuation and Qualifying Accounts |  |  |
Beginning Balance | $ 49,798 | $ 48,937 | $ 48,409
Charged to Income | 81,107 | 77,254 | 73,486
Charged to Other Accounts | 47,306 | 60,307 | 49,728
Deductions | 132,031 | 136,700 | 122,686
Ending Balance | 46,180 | 49,798 | 48,937
Accumulated provision for uncollectible accounts - other |  |  |
Consolidated Valuation and Qualifying Accounts |  |  |
Beginning Balance | 1,778 | 990 | 884
Charged to Income | 26,654 | 12,487 | 6,461
Charged to Other Accounts | 1,474 | 0 | 0
Deductions | 8,509 | 11,699 | 6,355
Ending Balance | 21,397 | 1,778 | 990
Accumulated provision for uncollectible accounts - affiliated companies |  |  |
Consolidated Valuation and Qualifying Accounts |  |  |
Beginning Balance | 919,851 | 0 |
Charged to Income | 143,276 | 0 |
Charged to Other Accounts | 0 | 0 |
Deductions | 0 | 919,851 |
Ending Balance | 1,063,127 | 919,851 | 0
Valuation allowance on various DTAs |  |  |
Consolidated Valuation and Qualifying Accounts |  |  |
Beginning Balance | 394,112 | 312,135 | 240,289
Charged to Income | 46,526 | 81,977 | 71,846
Charged to Other Accounts | 0 | 0 | 0
Deductions | 0 | 0 | 0
Ending Balance | $ 440,638 | $ 394,112 | $ 312,135

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: 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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