XML 75 R64.htm IDEA: XBRL DOCUMENT v3.24.0.1
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, 2023
Dec. 31, 2022
Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Options Outstanding, Beginning balance 2,024,664    
Options Outstanding, Granted 918,161    
Options Outstanding, Forfeited and expired (79,500)    
Options Outstanding, Exercised (308,083)    
Options Outstanding, Ending balance 2,555,242    
Options Outstanding, Exercisable 973,894 1,046,092 776,559
Options Outstanding, Vested or expected to vest [1] 2,404,726    
Weighted Average Exercise Price, Beginning balance $ 41.48    
Weighted Average Exercise Price, Granted 42.76    
Weighted Average Exercise Price, Forfeited and expired 53.67    
Weighted Average Exercise Price, Exercised 25.31    
Weighted Average Exercise Price, Ending balance 43.51    
Weighted Average Exercise Price, Exercisable 27.39 $ 18.26 $ 11.63
Weighted Average Exercise Price, Vested or expected to vest [1] $ 43.04    
Weighted-Average Remaining Contractual Life in Years, Outstanding 3 years 10 months 24 days    
Weighted-Average Remaining Contractual Life in Years, Exercisable 2 years 1 month 6 days    
Weighted-Average Remaining Contractual Life in Years, Vested or expected to vest [1] 3 years 9 months 14 days    
Aggregate Intrinsic Value, Outstanding $ 27,948    
Aggregate Intrinsic Value, Exercisable 24,781    
Aggregate Intrinsic Value, Vested or expected to vest [1] $ 27,619    
[1] In addition to the vested options, the Company expects a portion of the unvested options to vest at some point in the future. The number of options expected to vest is calculated by applying an estimated forfeiture rate to the unvested options.