v3.25.4
Cover - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Mar. 05, 2026
Jun. 30, 2025
Cover [Abstract]        
Document Type 10-K      
Amendment Flag false      
Document Annual Report true      
Document Transition Report false      
Document Period End Date Dec. 31, 2025      
Document Fiscal Period Focus FY      
Document Fiscal Year Focus 2025      
Current Fiscal Year End Date --12-31      
Entity File Number 001-36689      
Entity Registrant Name INSPIRED ENTERTAINMENT, INC.      
Entity Central Index Key 0001615063      
Entity Tax Identification Number 47-1025534      
Entity Incorporation, State or Country Code DE      
Entity Address, Address Line One 250 West 57th Street      
Entity Address, Address Line Two Suite 415      
Entity Address, City or Town New York      
Entity Address, State or Province NY      
Entity Address, Postal Zip Code 10107      
City Area Code (646)      
Local Phone Number 565-3861      
Title of 12(b) Security Common Stock, par value $0.0001 per share      
Trading Symbol INSE      
Security Exchange Name NASDAQ      
Entity Well-known Seasoned Issuer No      
Entity Voluntary Filers No      
Entity Current Reporting Status Yes      
Entity Interactive Data Current Yes      
Entity Filer Category Accelerated Filer      
Entity Small Business true      
Entity Emerging Growth Company false      
Entity Shell Company false      
Entity Public Float       $ 181.0
Entity Common Stock, Shares Outstanding     27,059,573  
Documents Incorporated by Reference [Text Block] Portions of the registrant’s proxy statement relating to the registrant’s 2026 annual meeting of stockholders are incorporated by reference in Part III of this Annual Report on Form 10-K. The proxy statement will be filed with the Securities and Exchange Commission no later than 120 days after the conclusion of the registrant’s fiscal year ended December 31, 2025. If such proxy statement is not filed on or before such date, the information called for by Part III will be filed as part of an amendment to this Annual Report on Form 10-K on or before such date.      
ICFR Auditor Attestation Flag true      
Document Financial Statement Error Correction [Flag] false      
Entity Listing, Par Value Per Share $ 0.0001      
Auditor Firm ID 199 688    
Auditor Opinion [Text Block] We have audited the accompanying consolidated balance sheets of Inspired Entertainment, Inc, and Subsidiaries (the “Company”) as of December 31, 2025, the related consolidated statements of operations and comprehensive (loss) income, stockholders’ deficit and cash flows for the year ended December 31, 2025, and the related notes (collectively referred to as the “financial statements”). In our opinion, based on our audit results, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2025, and the results of its operations and its cash flows for the year ended December 31, 2025, in conformity with accounting principles generally accepted in the United States of America.      
Auditor Name CBIZ CPAs P.C. Marcum LLP    
Auditor Location New York, New York New York, NY