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Major Customers and International Sales - Summary of International Sales (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Revenues From External Customers |  |  |  |
Net sales | $ 609,615,000 | $ 557,676,000 | $ 458,704,000 |
Total receivables | 171,444 | 162,859 |  |
South and Central America |  |  |  |
Revenues From External Customers |  |  |  |
Net sales | 124,525,000 | 108,975,000 | 102,281,000 |
Mexico |  |  |  |
Revenues From External Customers |  |  |  |
Net sales | 45,995,000 | 40,724,000 | 33,517,000 |
Asia |  |  |  |
Revenues From External Customers |  |  |  |
Net sales | 26,588,000 | 26,234,000 | 19,290,000 |
Canada |  |  |  |
Revenues From External Customers |  |  |  |
Net sales | 14,860,000 | 10,377,000 | 10,572,000 |
Australia |  |  |  |
Revenues From External Customers |  |  |  |
Net sales | 19,674,000 | 21,061,000 | 9,902,000 |
Africa |  |  |  |
Revenues From External Customers |  |  |  |
Net sales | 8,840,000 | 3,468,000 | 6,072,000 |
Middle East |  |  |  |
Revenues From External Customers |  |  |  |
Net sales | 1,836,000 | 2,357,000 | 3,054,000 |
Europe |  |  |  |
Revenues From External Customers |  |  |  |
Net sales | 1,964,000 | 2,243,000 | 2,292,000 |
Domestic |  |  |  |
Revenues From External Customers |  |  |  |
Total receivables | 65,825 | 66,987 |  |
International |  |  |  |
Revenues From External Customers |  |  |  |
Net sales | 244,282,000 | 215,439,000 | $ 186,980,000 | $ 244,282,000
Total receivables | $ 105,619 | $ 95,872 |  |

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