Allego N.V. Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Warrant liabilities - Narrative (Details)

Warrant liabilities - Narrative (Details) € / shares in Units, € in Thousands				1 Months Ended	12 Months Ended
	Oct. 18, 2023 EUR (€) warrants € / shares shares	Oct. 03, 2023 EUR (€) warrants € / shares shares	Apr. 15, 2022 EUR (€) shares € / shares	Oct. 18, 2023 shares € / shares	Dec. 31, 2023 EUR (€) warrants € / shares shares	Dec. 31, 2022 shares warrants € / shares	Dec. 31, 2022 EUR (€) warrants € / shares	Dec. 31, 2022 warrants € / shares	Dec. 31, 2021 EUR (€) warrants	Dec. 31, 2023 warrants $ / shares shares	Aug. 25, 2023	Mar. 22, 2022 € / shares	Mar. 16, 2022 € / shares shares
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]
Class of warrant or right, number of securities called by each warrant or right (in shares) \| shares													1
Par value per share (in EUR per share) \| € / shares			€ 0.12			€ 0.12	€ 0.12	€ 0.12				€ 0.12	€ 0.12
Share price calculation, trailing days					10 days
Number of warrants exercised \| shares		2,996,918
Fair value (loss) gain related to the warrant liabilities					€ (6,273)		€ 27,103		€ 0
Ordinary Shares
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]
Par value per share (in EUR per share) \| € / shares					€ 0.12	€ 0.12	€ 0.12	€ 0.12
Number of warrants exercised \| shares	159,413
Warrants
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]
Warrants assumed on transaction date (shares) \| warrants								23,159,948
Warrants assumed on Transaction date							€ 42,253
Warrants outstanding (shares) \| warrants					0	13,799,948	13,799,948	13,799,948	0	0
Warrants exercised	€ 271	€ 7,298			€ 7,569		€ 13,854
Public Warrants
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]
Warrants assumed on transaction date (shares)	770,110	13,029,838		13,799,948		13,799,948		13,799,948
Warrants assumed on Transaction date							€ 21,260
Warrants outstanding (shares) \| warrants					0	13,799,948	13,799,948	13,799,948	0	0
Par value per share (in EUR per share) \| € / shares	€ 0.12	€ 0.12		€ 0.12
Warrants exercise period from date of transaction					30 days
Percentage of outstanding warrants		94.30%
Warrants exercised					€ 7,569		€ 0
Public Warrants \| Ordinary Shares
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]
Class of warrant or right, number of securities called by each warrant or right (in shares) \| shares					1					1
Class of warrant or right, exercise price of warrants or rights (in USD per share or EUR per share) \| (per share)					€ 10.80					$ 11.50
Warrants lock in period from date of business combination					30 days
Warrants exchange ordinary shares ratio		0.23
Warrants exchange ordinary shares outstanding ratio											0.207
Number of warrants exercised \| shares	299
Private Placement Warrants
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]
Warrants assumed on transaction date (shares)						9,360,000		9,360,000
Warrants assumed on Transaction date							€ 20,993
Warrants outstanding (shares) \| warrants					0	0	0	0	0	0
Warrants exercised					€ 0		€ 13,854
Private Placement Warrants \| Ordinary Shares
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]
Par value per share (in EUR per share) \| € / shares					€ 0.12
Shares issued on exercise of warrants (in shares) \| shares			1,334,949
Fair value of warrants exercised			€ 13,854