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Accumulated Balances of Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |
Beginning balance | $ (21,715) | $ (22,221) | $ (22,401)
Foreign currency translation adjustment | (129) | (190) | 203
Pension and post retirement benefit adjustment | (11) | 76 | 14
Unrealized holding gain arising during period | (1,453) | 620 | (124)
Reclassification adjustment for loss included in net income | (76) |  | 97
Other |  |  | (10)
Ending balance | (23,384) | (21,715) | (22,221)
Foreign currency items |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |
Beginning balance | (21,943) | (21,753) | (21,956)
Foreign currency translation adjustment | (144) | (190) | 203
Ending balance | (22,087) | (21,943) | (21,753)
Unrealized gain (loss) on securities |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |
Beginning balance | 232 | (388) | (351)
Foreign currency translation adjustment | 15 |  |
Unrealized holding gain arising during period | (1,453) | 620 | (124)
Reclassification adjustment for loss included in net income | (76) |  | 97
Other |  |  | (10)
Ending balance | (1,282) | 232 | (388)
Pension and post retirement benefit plans |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |
Beginning balance | (4) | (80) | (94)
Pension and post retirement benefit adjustment | (11) | 76 | 14
Ending balance | $ (15) | $ (4) | $ (80)

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