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Income Taxes (Narrative) (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Schedule Of Income Taxes [Line Items] |  |
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 | $ 0 | 86,900,000
Minimum [Member] | Secretariat of the Federal Revenue Bureau of Brazil [Member] |  |
Schedule Of Income Taxes [Line Items] |  |
Year under examination | 2016 |
Estimate of possible loss |  | 0
Maximum [Member] | Secretariat of the Federal Revenue Bureau of Brazil [Member] |  |
Schedule Of Income Taxes [Line Items] |  |
Year under examination | 2019 |
Estimate of possible loss |  | $ 93,100,000

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319 + Details
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