v3.26.1
Cover
12 Months Ended
Dec. 31, 2025
Document Information [Line Items]  
Entity Registrant Name HNI Corporation
Entity Central Index Key 0000048287
Amendment Flag false
Document Type 11-K
EBP 001  
Document Information [Line Items]  
Entity Registrant Name HNI Corporation
Entity Central Index Key 0000048287
Amendment Flag false
Document Type 11-K