Accumulated Other Comprehensive Income/( Loss) - Summary of Accumulated Other Comprehensive Income/( Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 889,437	$ 758,179	$ 693,156
Gains / (losses) recognized during the year	(33,411)	16,392	(72,493)
Reclassification to net income	(733)	5,114	1,887
Income tax effects	6,462	(4,403)	15,937
Ending balance	929,862	889,437	758,179
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(127,040)	(144,143)	(89,474)
Ending balance	(154,722)	(127,040)	(144,143)
Currency translation adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(132,643)	(133,139)	(95,437)
Gains / (losses) recognized during the year	(17,484)	652	(47,734)
Reclassification to net income	0	0	0
Income tax effects	3,129	(156)	10,032
Ending balance	(146,998)	(132,643)	(133,139)
Unrealized gain/(loss) on cash flow hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	4,198	(11,303)	8,420
Gains / (losses) recognized during the year	(14,513)	14,403	(27,333)
Reclassification to net income	(131)	5,208	1,295
Income tax effects	2,898	(4,110)	6,315
Ending balance	(7,548)	4,198	(11,303)
Retirement benefits
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	1,405	299	(2,457)
Gains / (losses) recognized during the year	(1,414)	1,337	2,574
Reclassification to net income	(602)	(94)	592
Income tax effects	435	(137)	(410)
Ending balance	$ (176)	$ 1,405	$ 299