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Income Tax Expense (Recovery) (Details) - USD ($) $ in Thousands | 1 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Aug. 31, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Income Tax Contingency [Line Items] |  |  |  |
Decrease for positions taken in prior periods |  |  | $ 0 | $ 16,441
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority |  |  |  | 9,800
Settlement with Taxing Authority [Member] |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Payments for Other Taxes | $ 1,100 | $ 8,500 |  |
Decrease for positions taken in prior periods |  |  |  | $ 16,400

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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319 + Details
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