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, 2023	$ 541,106	$ 445	$ 383,832	$ 296,674	$ (1,273)	$ (138,927)	$ 540,869	$ 237	$ 118
Issuance of Common Stock under employee stock plans	1,756	1	1,755				1,756
Stock-based compensation expense	3,780		3,780				3,780
Components of comprehensive (loss) income, net of tax:
Net (loss) income	(14,462)			(14,473)			(14,473)	11
Other comprehensive income (loss)	(134)				(117)		(117)	(17)
Consolidated comprehensive income (loss)	(14,596)						(14,590)	(6)
Ending Balance at Mar. 31, 2024	532,046	446	389,367	282,201	(1,390)	(138,927)	531,815	231	118
Beginning Balance at Dec. 31, 2024	570,291	452	407,617	302,803	(1,495)	(139,424)	570,071	220	118
Issuance of Common Stock under employee stock plans	3,166	1	3,165				3,166
Stock-based compensation expense	4,349		4,349				4,349
Components of comprehensive (loss) income, net of tax:
Net (loss) income	2,561			2,539			2,539	22
Other comprehensive income (loss)	196				183		183	13
Consolidated comprehensive income (loss)	2,757						2,722	35
Ending Balance at Mar. 31, 2025	$ 580,563	$ 453	$ 415,131	$ 305,342	$ (1,312)	$ (139,424)	$ 580,308	$ 255	$ 118