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Income Taxes (Narrative) (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Schedule Of Income Taxes [Line Items] |  |
Valuation allowance | $ 66,300,000 |
Federal net operating loss carry-forward |  | $ 545,200,000
Secretariat of the Federal Revenue Bureau of Brazil [Member] |  |
Schedule Of Income Taxes [Line Items] |  |
Penalties and interest accrued | 94,200,000 |
Minimum [Member] | Secretariat of the Federal Revenue Bureau of Brazil [Member] |  |
Schedule Of Income Taxes [Line Items] |  |
Estimate of possible loss | 0 |
Maximum [Member] | Secretariat of the Federal Revenue Bureau of Brazil [Member] |  |
Schedule Of Income Taxes [Line Items] |  |
Estimate of possible loss | $ 97,700,000 |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-6 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-8 + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
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