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Financial Instrument - Risk Management and Fair Value - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2021
Disclosure of detailed information about financial instruments [line items] |  |  |
Mark to market derivative income (expense) | $ 0 | $ 0 |
Debt including current maturities | $ 1,163,900 | $ 1,060,765 |
Interest rate swap contract [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Description of impact of hypothetical interest rates on the variable-rate debt and marketable securities | If the interest rate average is 100 basis points more in 2020, the variable-rate debt interest expense would increase by approximately $2.8 million and the estimated fair value of the fixed-rate debt would decreased– by approximately $1.5 million. |  |
Average interest rate on derivatives | 1.00% |  |
Change in interest expense | $ 2,800 |  |
Increase decrease in fair value of debt | $ 1,500 |  |
Brazil, Brazil real [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Percentage of foreign currency risk revenue | 9.50% | 8.70% |
Colombia, pesos [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Percentage of foreign currency risk revenue | 9.10% | 8.30% |
Argentina, pesos [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Percentage of foreign currency risk revenue | 4.00% | 4.80% |
Currency risk [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Percentage of foreign exchange risk revenue | 65.70% |  |
Percentage of foreign exchange risk expenses | 86.00% |  |
Borrowing due through 2029 [member] | Fixed interest rate [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Debt including current maturities | $ 663,293 | $ 736,790 |
Borrowing due through 2029 [member] | Fixed interest rate [member] | Bottom of range [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Fixed interest rates | 1.49% | 1.49% |
Fixed Rated Debt [Member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Debt including current maturities | $ 663,300 |  |
Variable Rated Debt [Member] | Fixed interest rate [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Debt including current maturities |  |  | $ 279,800
Fuel derivative instruments [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Derivative instrument hypothetical increases percentage | 10.00% |  |
Fuel derivative instruments [member] | 2019 projection [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Derivative instrument expense increase | $ 21,300 |  |

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