Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 277,866	$ 160,338	$ 180,261
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments and other	(44,267)	1,367	15,997
Adjustment for net gain realized and included in net income	0	(232)	0
Unrealized gain (loss) on derivatives	278	(472)	(17)
Total other comprehensive (loss) income	(43,989)	663	15,980
Comprehensive income	233,877	161,001	196,241
Less: comprehensive (loss) income attributable to non-controlling interest	(653)	575	30
Comprehensive income attributable to IPG Photonics Corporation	$ 234,530	$ 160,426	$ 196,211