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Income tax incurred and deferred: Aerostar Tax loss Carry forwards (Details) $ in Thousands | Dec. 31, 2020 USD ($)
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Income tax: |
Unused tax losses for which no deferred tax asset recognised | $ 191,699
Tax loss Year 2012 Expiring in 2022 |
Income tax: |
Unused tax losses for which no deferred tax asset recognised | 7,085
Tax loss Year 2013 Expiring in 2023 |
Income tax: |
Unused tax losses for which no deferred tax asset recognised | 37,256
Tax loss Year 2014 Expiring in 2024 |
Income tax: |
Unused tax losses for which no deferred tax asset recognised | 25,545
Tax loss Year 2015 Expiring in 2025 |
Income tax: |
Unused tax losses for which no deferred tax asset recognised | 28,520
Tax loss Year 2016 Expiring in 2026 |
Income tax: |
Unused tax losses for which no deferred tax asset recognised | 27,745
Tax Loss Year 2017 Expiring In 2027 |
Income tax: |
Unused tax losses for which no deferred tax asset recognised | 22,248
Tax Loss Year 2018 Expiring In 2028 |
Income tax: |
Unused tax losses for which no deferred tax asset recognised | 10,600
Tax Loss Year 2019 Expiring In 2029 |
Income tax: |
Unused tax losses for which no deferred tax asset recognised | 1,975
Tax Loss Year 2020 Expiring In 2030 |
Income tax: |
Unused tax losses for which no deferred tax asset recognised | $ 30,725

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