Consolidated Statements Of Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Common Stock [Member] Common Class B [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Treasury Stock [Member]	Total Vicor Corporation Stockholders' Equity [Member]	Noncontrolling Interest [Member]
Beginning Balance at Dec. 31, 2021	$ 423,905	$ 439	$ 118	$ 345,664	$ 217,633	$ (1,328)	$ (138,927)	$ 423,599	$ 306
Issuance of Common Stock under employee stock plans	4,439	2		4,437				4,439
Stock-based compensation expense	10,264			10,264				10,264
Components of comprehensive income (loss), net of tax
Net income (loss)	25,426				25,446			25,446	(20)
Other comprehensive income (loss)	302					340		340	(38)
Consolidated comprehensive income	25,728							25,786	(58)
Ending Balance at Dec. 31, 2022	464,336	441	118	360,365	243,079	(988)	(138,927)	464,088	248
Issuance of Common Stock under employee stock plans	10,602	4		10,598				10,602
Stock-based compensation expense	12,869			12,869				12,869
Components of comprehensive income (loss), net of tax
Net income (loss)	53,600				53,595			53,595	5
Other comprehensive income (loss)	(301)					(285)		(285)	(16)
Consolidated comprehensive income	53,299							53,310	(11)
Ending Balance at Dec. 31, 2023	541,106	445	118	383,832	296,674	(1,273)	(138,927)	540,869	237
Issuance of Common Stock under employee stock plans	8,490	7		8,483				8,490
Stock-based compensation expense	15,302			15,302				15,302
Repurchases of Common Stock	(497)						(497)	(497)
Components of comprehensive income (loss), net of tax
Net income (loss)	6,139				6,129			6,129	10
Other comprehensive income (loss)	(249)					(222)		(222)	(27)
Consolidated comprehensive income	5,890							5,907	(17)
Ending Balance at Dec. 31, 2024	$ 570,291	$ 452	$ 118	$ 407,617	$ 302,803	$ (1,495)	$ (139,424)	$ 570,071	$ 220