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Equity Method Investees - Summarized Statement of Financial Position and Profit or Loss of Joint Venture (Parenthetical) (Detail)
5 Months Ended 12 Months Ended
Dec. 31, 2018
Dec. 31, 2018
Dec. 31, 2018
Natuzzi Trading (Shanghai) Co., Ltd [member]      
Disclosure of subsidiaries [line items]      
Percentage of group's share in equity 49.00% 49.00% 49.00%