Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Fair value measurement - Summary of Financial Instruments Measured At Fair Value (Level 3) (Detail)

v3.23.2
Fair value measurement - Summary of Financial Instruments Measured At Fair Value (Level 3) (Detail)
€ in Thousands
6 Months Ended
Jun. 30, 2023
EUR (€)
Disclosure Of Movement In Financial Assets Measured At Fair Value Using Significant Unboservable Input [Line Items]  
Carrying amount at January 1, 2023 € 437,659
Carrying amount at June 30, 2023 452,685
Level 3 of fair value hierarchy | Investment in equity securities  
Disclosure Of Movement In Financial Assets Measured At Fair Value Using Significant Unboservable Input [Line Items]  
Carrying amount at January 1, 2023 31,389
Fair value loss on investment in equity securities recognized in other comprehensive income (6,575)
Carrying amount at June 30, 2023 € 24,814