Condensed Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]	Total Vicor Corporation Stockholders' Equity [Member]	Noncontrolling Interest [Member]	Class B Common Stock [Member] Common Stock [Member]
Beginning Balance at Dec. 31, 2022	$ 464,336	$ 441	$ 360,365	$ 243,079	$ (988)	$ (138,927)	$ 464,088	$ 248	$ 118
Issuance of Common Stock under employee stock plans	2,722	2	2,720				2,722
Stock-based compensation expense	5,829		5,829				5,829
Components of comprehensive (loss) income, net of tax:
Net (loss) income	28,353			28,345			28,345	8
Other comprehensive loss	(221)				(207)		(207)	(14)
Consolidated comprehensive (loss) income	28,132						28,138	(6)
Ending Balance at Jun. 30, 2023	501,019	443	368,914	271,424	(1,195)	(138,927)	500,777	242	118
Beginning Balance at Mar. 31, 2023	480,659	442	365,442	254,323	(993)	(138,927)	480,405	254	118
Issuance of Common Stock under employee stock plans	461	1	460				461
Stock-based compensation expense	3,012		3,012				3,012
Components of comprehensive (loss) income, net of tax:
Net (loss) income	17,102			17,101			17,101	1
Other comprehensive loss	(215)				(202)		(202)	(13)
Consolidated comprehensive (loss) income	16,887						16,899	(12)
Ending Balance at Jun. 30, 2023	501,019	443	368,914	271,424	(1,195)	(138,927)	500,777	242	118
Beginning Balance at Dec. 31, 2023	541,106	445	383,832	296,674	(1,273)	(138,927)	540,869	237	118
Issuance of Common Stock under employee stock plans	5,138	6	5,132				5,138
Stock-based compensation expense	7,211		7,211				7,211
Components of comprehensive (loss) income, net of tax:
Net (loss) income	(15,657)			(15,669)			(15,669)	12
Other comprehensive loss	(341)				(310)		(310)	(31)
Consolidated comprehensive (loss) income	(15,998)						(15,979)	(19)
Ending Balance at Jun. 30, 2024	537,457	451	396,175	281,005	(1,583)	(138,927)	537,239	218	118
Beginning Balance at Mar. 31, 2024	532,046	446	389,367	282,201	(1,390)	(138,927)	531,815	231	118
Issuance of Common Stock under employee stock plans	3,382	5	3,377				3,382
Stock-based compensation expense	3,431		3,431				3,431
Components of comprehensive (loss) income, net of tax:
Net (loss) income	(1,195)			(1,196)			(1,196)	1
Other comprehensive loss	(207)				(193)		(193)	(14)
Consolidated comprehensive (loss) income	(1,402)						(1,389)	(13)
Ending Balance at Jun. 30, 2024	$ 537,457	$ 451	$ 396,175	$ 281,005	$ (1,583)	$ (138,927)	$ 537,239	$ 218	$ 118