Stock-Based Compensation and Employee Benefit Plans - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of Option	10 years
Employee's compensation plan	The Company matches employee contributions to the plan at a rate of 50%, up to the first 6% of an employee’s compensation.
Employee contributions	20.00%
Company contribution to the plan	$ 2,317,000	$ 2,211,000	$ 1,593,000
Share based compensation arrangement by share based payment award vesting period	5 years
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employees pre-tax salary	1.00%
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employees pre-tax salary	80.00%
2000 Plan, Vicor [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock reserved for issuance	10,000,000
Non-qualified stock options granted to non-employees	85.00%
Annual forfeiture rate	5.00%	5.35%	4.85%
Percentage of estimating of option actually vest	86.00%	85.00%	86.00%
Share exercisable	973,894	1,046,092	776,559
Weighted average exercise prices	$ 27.39	$ 18.26	$ 11.63
Total Intrinsic value	$ 14,396,000	$ 7,252,000	$ 56,933,000
Options Exercised	7,798,000	1,634,000	7,616,000
Fair value of stock options that vested	17,957,000	$ 15,087,000	$ 10,506,000
Total unrecognized compensation cost	$ 23,179,000
Compensation cost recognized over a weighted-average period	2 years 1 month 6 days
Expected recognized expenses, Year One	$ 11,028,000
Expected recognized expenses, Year Two	6,730,000
Expected recognized expenses, Year Three	3,638,000
Expected recognized expenses, Year Four	1,473,000
Expected recognized expenses, Year Five	$ 310,000
Weighted-average fair value	$ 19.56	$ 26.53	$ 39.27
Stock Bonus Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock purchase by non-employees	109,964
2017 Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-qualified stock options granted to non-employees	85.00%
Maximum number of shares authorized for issuances	2,000,000
Maximum percentage of payroll deductions on employee's compensation	15.00%
Offering period of employee stock purchase plan	6 months