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]
Consolidated net income		$ 56,629	$ 17,922	$ 14,109
Foreign currency translation (losses) gains, net of tax benefit (1)	[1]	(425)	200	33
Unrealized losses on available-for-sale securities, net of tax (1)	[1]	(732)	(6)	(20)
Other comprehensive (loss) income		(1,157)	194	13
Consolidated comprehensive income		55,472	18,116	14,122
Less: Comprehensive (loss) income attributable to noncontrolling interest		(29)	27	13
Comprehensive income attributable to Vicor Corporation		$ 55,501	$ 18,089	$ 14,109

[1] The deferred tax assets associated with cumulative foreign currency translation gains and cumulative unrealized losses on available for sale securities are completely offset by a tax valuation allowance as of December 31, 2021, 2020, and 2019. Therefore, there is no income tax benefit (provision) recognized in any of the three years ended December 31, 2021.