Statement Of Changes In Equity [Abstract]

New Amsterdam Invest N.V. - Filing #5872728

Concept	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	868,000 EUR	—	—	—	—	49,172,000 EUR	—	5,989,000 EUR	—	247,000 EUR	8,773,000 EUR	1,676,000 EUR	—	45,974,000 EUR	—	54,747,000 EUR	—	44,270,000 EUR	—	5,970,000 EUR	—	—	—	840,000 EUR	—	49,762,000 EUR	—	247,000 EUR	610,000 EUR	43,430,000 EUR	- EUR	48,520,000 EUR	1,146,000 EUR	- EUR	49,419,000 EUR	247,000 EUR	- EUR	48,520,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	- EUR	2,647,000 EUR	- EUR	- EUR	—	2,647,000 EUR	—	- EUR	—	—	—	2,509,000 EUR	—	5,156,000 EUR	—	4,796,000 EUR	—	4,907,000 EUR	—	111,000 EUR	4,907,000 EUR	- EUR	—	- EUR	—	- EUR	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	- EUR	2,286,000 EUR	- EUR	- EUR	—	- EUR	—	2,286,000 EUR	—	—	—	388,000 EUR	—	2,674,000 EUR	—	693,000 EUR	—	610,000 EUR	—	83,000 EUR	- EUR	- EUR	—	610,000 EUR	—	- EUR	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	—	- EUR	4,933,000 EUR	- EUR	- EUR	—	2,647,000 EUR	—	2,286,000 EUR	—	—	—	2,897,000 EUR	—	7,830,000 EUR	—	5,489,000 EUR	—	5,517,000 EUR	—	28,000 EUR	4,907,000 EUR	- EUR	—	610,000 EUR	—	- EUR	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	- EUR	2,359,000 EUR	- EUR	590,000 EUR	—	1,769,000 EUR	—	- EUR	—	—	—	- EUR	—	2,359,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase through other contributions by owners, equity	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	343,000 EUR	—	343,000 EUR	—	- EUR	- EUR	343,000 EUR	—	- EUR	—	- EUR	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	—	- EUR	30,000 EUR	- EUR	- EUR	—	30,000 EUR	—	- EUR	—	—	—	- EUR	—	30,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	—	- EUR	- EUR	- EUR	- EUR	—	- EUR	—	- EUR	—	—	—	4,015,000 EUR	—	4,015,000 EUR	—	812,000 EUR	—	- EUR	—	812,000 EUR	- EUR	- EUR	—	- EUR	—	- EUR	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	- EUR	- EUR	- EUR	- EUR	—	- EUR	—	- EUR	—	—	—	1,436,000 EUR	—	1,436,000 EUR	—	84,000 EUR	—	84,000 EUR	—	- EUR	84,000 EUR	- EUR	—	- EUR	—	- EUR	—	—	—	—	—	—	—	—	—	—	—