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Summary of Significant Accounting Policies - The Balances in the Company's Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |  |
Beginning balance |  | $ 284,640 | $ 294,552 | $ 277,512 | $ 292,800
Unrealized Gain (Loss) On Interest Rate Swap Contracts, Net Of Tax Expense (Benefit) | [1] | 2 | (3,623) | (2,339) | (5,599)
Total other comprehensive income (loss) |  | (686) | (3,468) | 153 | (6,777)
Ending balance |  | 286,623 | 275,639 | 286,623 | 275,639
Interest Rate Swap [Member] |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |  |
Beginning balance |  | (4,569) | (2,118) | (2,400) | 0
Other comprehensive income (loss) before reclassifications |  | 2 | (3,623) | (2,339) | (5,599)
Reclassification to (earnings) loss |  | 84 | (403) | 256 | (545)
Total other comprehensive income (loss) |  | 86 | (4,026) | (2,083) | (6,144)
Ending balance |  | (4,483) | (6,144) | (4,483) | (6,144)
Foreign Currency [Member] |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |  |
Beginning balance |  | (16,702) | (16,742) | (18,609) | (15,551)
Other comprehensive income (loss) before reclassifications |  | (772) | 558 | 1,135 | (633)
Reclassification to (earnings) loss |  | 0 | 0 | 0 | 0
Total other comprehensive income (loss) |  | (772) | 558 | 1,135 | (633)
Ending balance |  | (17,474) | (16,184) | (17,474) | (16,184)
Defined Benefit Pension Plans [Member] |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |  |
Beginning balance |  | 0 | (1,264) | (1,101) | (1,264)
Other comprehensive income (loss) before reclassifications |  | 0 | 0 | 0 | 0
Reclassification to (earnings) loss |  | 0 | 0 | 1,101 | 0
Total other comprehensive income (loss) |  | 0 | 0 | 1,101 | 0
Ending balance |  | 0 | (1,264) | 0 | (1,264)
Accumulated Other Comprehensive Income (Loss) [Member] |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |  |
Beginning balance |  | (21,271) | (20,124) | (22,110) | (16,815)
Other comprehensive income (loss) before reclassifications |  | (770) | (3,065) | (1,204) | (6,232)
Reclassification to (earnings) loss |  | 84 | (403) | 1,357 | (545)
Total other comprehensive income (loss) |  | (686) | (3,468) | 153 | (6,777)
Ending balance |  | $ (21,957) | $ (23,592) | $ (21,957) | $ (23,592)
[1] | Amounts shown net of tax expense (benefit) of $30 and $(732) for the quarter and nine months ended September 30, 2025, respectively and $(1,453) and $(2,159) for the quarter and nine months ended September 30, 2024, respectively.

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