Stock-Based Compensation and Employee Benefit Plans - Summary of the Activity under the 2000 Plan (Detail) - 2000 Plan, Vicor [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Options Outstanding, Beginning balance	2,023,477
Options Outstanding, Granted	267,559
Options Outstanding, Forfeited and expired	(61,924)
Options Outstanding, Exercised	(551,451)
Options Outstanding, Ending balance	1,677,661
Options Outstanding, Exercisable	776,559	924,964	1,475,947
Options Outstanding, Vested or expected to vest	1,617,003
Weighted Average Exercise Price, Beginning balance	$ 20.98
Weighted Average Exercise Price, Granted	93.40
Weighted Average Exercise Price, Forfeited and expired	58.95
Weighted Average Exercise Price, Exercised	13.81
Weighted Average Exercise Price, Ending balance	33.48
Weighted Average Exercise Price, Exercisable	11.63	$ 9.05	$ 8.74
Weighted Average Exercise Price, Vested or expected to vest	$ 32.10
Weighted-Average Remaining Contractual Life in Years, Outstanding	4 years 6 months 21 days
Weighted-Average Remaining Contractual Life in Years, Exercisable	2 years 11 months 4 days
Weighted-Average Remaining Contractual Life in Years, Vested or expected to vest	4 years 5 months 15 days
Aggregate Intrinsic Value, Outstanding	$ 157,309
Aggregate Intrinsic Value, Exercisable	89,576
Aggregate Intrinsic Value, Vested or expected to vest	$ 153,817