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 Income (Loss) [Member]	Treasury Stock [Member]	Total Vicor Corporation Stockholders' Equity [Member]	Noncontrolling Interest [Member]
Beginning Balance at Dec. 31, 2020	$ 351,155	$ 433	$ 118	$ 328,392	$ 161,008	$ (204)	$ (138,927)	$ 350,820	$ 335
Issuance of Common Stock under employee stock plans	10,243	6		10,237				10,243
Stock-based compensation expense	7,035			7,035				7,035
Components of comprehensive income, net of tax:
Net income (loss)	56,629				56,625			56,625	4
Other comprehensive income (loss)	(1,157)					(1,124)		(1,124)	(33)
Total comprehensive income (loss)	55,472							55,501	(29)
Ending 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, net of tax:
Net income (loss)	25,426				25,446			25,446	(20)
Other comprehensive income (loss)	302					340		340	(38)
Total comprehensive income (loss)	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, net of tax:
Net income (loss)	53,600				53,595			53,595	5
Other comprehensive income (loss)	(301)					(285)		(285)	(16)
Total comprehensive income (loss)	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