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Share Capital - Summary of Ordinary Shares (Detail) - EUR (€) € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of classes of share capital [line items] |  |  |
Opening Balance | € 290,826 | € 250,395 | € 323,467
Issue of equity |  | 117,215 | 47,713
Closing Balance | 300,806 | 290,826 | 250,395
Share premium [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Opening Balance | 137,285 | 70,161 | 45,882
Closing Balance | € 0 | € 137,285 | € 70,161
Ordinary shares [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Opening Balance Issued and paid (Shares) | 371,386,000 | 289,165 | 265,731
Opening Balance | € 339,259 | € 289,165 | € 265,731
Ending Balance Issued and paid (Shares) | 0 | 371,386,000 | 289,165
Closing Balance |  | € 339,259 | € 289,165
Series B Preferred Stock [Member] | Share premium [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Opening Balance | € 143,739 |  |
Issue of equity |  | 67,124 |
Closing Balance |  | € 143,739 |
Series B Preferred Stock [Member] | Ordinary shares [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Opening Balance Issued and paid (Shares) | 389,955 |  |
Opening Balance | € 357,828 |  |
Increase (decrease) in number of shares outstanding | 18,569,000 | 50,091,000 |
Issue of equity | € 18,569 | € 50,091 |
Ending Balance Issued and paid (Shares) |  | 389,955 |
Closing Balance |  | € 357,828 |
Series B Preferred Stock [Member] | Ordinary shares [member] | Share premium [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Issue of equity | € 6,454 |  |
Class B Nonvoting [Member] | Share premium [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Issue of equity |  | € 0 |
Class B Nonvoting [Member] | Ordinary shares [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Increase (decrease) in number of shares outstanding |  | 32,130,000 |
Issue of equity |  | € 3 |
Conversion from FFG Shares to LGHL ordinary shares at 0.26926188 [Member] | LGHL ordinary shares [Member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Increase (decrease) in number of shares outstanding | 105,000,000 |  |
Conversion from FFG Shares to LGHL ordinary shares at 0.26926188 [Member] | LGHL ordinary shares [Member] | Share premium [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Issue of equity | € 143,739 |  |
Ordinary Shares To Third Party Investors [Member] | Ordinary shares [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Increase (decrease) in number of shares outstanding |  |  | 23,434
Issue of equity |  |  | € 23,434
Ordinary Shares To Third Party Investors [Member] | Ordinary shares [member] | Share premium [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Issue of equity |  |  | € 24,279
Exchange of LGHL ordinary shares as part of Reverse Recapitalization [Member] | Share premium [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Issue of equity | € (143,739) |  |
Exchange of LGHL ordinary shares as part of Reverse Recapitalization [Member] | Ordinary shares [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Increase (decrease) in number of shares outstanding | (105,000,000) |  |

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