Stock-Based Compensation and Employee Benefit Plans - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
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	$ 2,211,000	$ 1,593,000	$ 1,031,000
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	5.35%	4.85%	5.25%
Share exercisable	1,046,092	776,559	924,964
Weighted average exercise prices	$ 18.26	$ 11.63	$ 9.05
Total Intrinsic value	$ 7,252,000	$ 56,933,000	$ 50,410,000
Options Exercised	1,634,000	7,616,000	9,127,000
Fair value of stock options that vested	15,087,000	$ 10,506,000	$ 10,847,000
Total unrecognized compensation cost	$ 19,144,000
Compensation cost recognized over a weighted-average period	2 years 1 month 6 days
Expected recognized expenses, Year One	$ 8,860,000
Expected recognized expenses, Year Two	5,558,000
Expected recognized expenses, Year Three	3,164,000
Expected recognized expenses, Year Four	1,323,000
Expected recognized expenses, Year Five	$ 239,000
Weighted-average fair value	$ 26.53	$ 39.27	$ 30.63
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