Compensation of the Management Board and the Supervisory Board - Compensation of the Management Board (Details) € in Thousands	12 Months Ended
Dec. 31, 2025 EUR (€) shares	Dec. 31, 2024 EUR (€) shares	Dec. 31, 2023 EUR (€)
Key management personnel
Service cost	€ 23,755	€ 28,748	€ 32,399
MB LTIP 2024+
Key management personnel
Number of shares allocated \| shares	230,873	304,043
Management Board
Key management personnel
Key management compensation, local country	€ 27,848	€ 21,109
Non-performance-related compensation	13,609	8,915
Short-term performance related compensation	5,677	7,094
Long term incentive effects, local country	8,562	5,100
Amount paid for fringe benefits		€ 416
Percentage of amount invested in shares		50.00%
Service cost	621	€ 1,737
Long term incentive effects	4,784	1,757
Termination benefits expense	15
Other long-term benefits	0	144
Key management compensation	24,706	19,647
Outstanding balances	€ 17,624	€ 18,283
Management Board \| MB LTIP 2024+
Key management personnel
Number of shares allocated \| shares	230,873	266,497
Management Board \| Former members
Key management personnel
Key management compensation	€ 2,553	€ 2,525
Pension obligation	€ 57,086	€ 58,609

The amount paid for fringe benefits.

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Key management personnel compensation, local country measure

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The amount of compensation to key management personnel in the form of long-term incentives including share-based payment.

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No definition available.

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Key management personnel compensation, long-term incentives including share-based payment, local country measure

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The amount of compensation to key management personnel in the form of non-performance-related benefits.

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No definition available.

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Percentage of amount invested in shares of the company out of the payment made for forfeited compensation.

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No definition available.

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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- Definition

The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

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The amount of deficit in a defined benefit plan. [Refer: Defined benefit plans [domain]]

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