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Schedule II Valuation and Qualifying Accounts Schedule II (Details) - Valuation Allowance of Deferred Tax Assets - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Valuation Allowances and Reserves, Balance, Beginning | $ 15,084 | $ 12,857 | $ 10,730
Valuation Allowances and Reserves, Charged to Cost and Expense | 36,658 | 0 | 9,513
Valuation Allowances and Reserves, Charged to Other Accounts | 0 | 3,023 | 72,170
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction | 889 | 796 | 79,556
Valuation Allowances and Reserves, Balance, Ending | $ 50,853 | $ 15,084 | $ 12,857

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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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