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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 | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |  |
Beginning balance |  | $ 277,423 | $ 291,651 | $ 277,512 | $ 292,800
Unrealized Gain (Loss) On Interest Rate Swap Contracts, Net Of Tax Expense (Benefit) | [1] | (891) | (1,976) | (2,341) | (1,976)
Total other comprehensive income (loss) |  | 2,212 | (2,478) | 839 | (3,309)
Ending balance |  | 284,640 | 294,552 | 284,640 | 294,552
Interest Rate Swap [Member] |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |  |
Beginning balance |  | (3,765) | 0 | (2,400) | 0
Other comprehensive income (loss) before reclassifications |  | (891) | (1,976) | (2,341) | (1,976)
Reclassification to (earnings) loss |  | 87 | (142) | 172 | (142)
Total other comprehensive income (loss) |  | (804) | (2,118) | (2,169) | (2,118)
Ending balance |  | (4,569) | (2,118) | (4,569) | (2,118)
Foreign Currency [Member] |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |  |
Beginning balance |  | (18,617) | (16,382) | (18,609) | (15,551)
Other comprehensive income (loss) before reclassifications |  | 1,915 | (360) | 1,907 | (1,191)
Reclassification to (earnings) loss |  | 0 | 0 | 0 | 0
Total other comprehensive income (loss) |  | 1,915 | (360) | 1,907 | (1,191)
Ending balance |  | (16,702) | (16,742) | (16,702) | (16,742)
Defined Benefit Pension Plans [Member] |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |  |
Beginning balance |  | (1,101) | (1,264) | (1,101) | (1,264)
Other comprehensive income (loss) before reclassifications |  | 0 | 0 | 0 | 0
Reclassification to (earnings) loss |  | 1,101 | 0 | 1,101 | 0
Total other comprehensive income (loss) |  | 1,101 | 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 |  | (23,483) | (17,646) | (22,110) | (16,815)
Other comprehensive income (loss) before reclassifications |  | 1,024 | (2,336) | (434) | (3,167)
Reclassification to (earnings) loss |  | 1,188 | (142) | 1,273 | (142)
Total other comprehensive income (loss) |  | 2,212 | (2,478) | 839 | (3,309)
Ending balance |  | $ (21,271) | $ (20,124) | $ (21,271) | $ (20,124)
[1] | Amounts shown net of tax expense (benefit) of $(282) and $(762) for the quarter and six months ended June 30, 2025, respectively and $(706) for the quarter and six months ended June 30, 2024.

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