v3.26.1
Description of the Plan - Schedule of Vested Percentage (Details) - EBP 001
12 Months Ended
Dec. 31, 2025
Less than 1 year | Outdoor Greatroom (OG) Plan  
EBP, Description of Plan [Line Items]  
Vesting percentage 0.00%
Less than 1 year | Kimball International Retirement Plan  
EBP, Description of Plan [Line Items]  
Vesting percentage 0.00%
At least 1 year but less than 2 years | Outdoor Greatroom (OG) Plan  
EBP, Description of Plan [Line Items]  
Vesting percentage 20.00%
At least 1 year but less than 2 years | Kimball International Retirement Plan  
EBP, Description of Plan [Line Items]  
Vesting percentage 10.00%
At least 2 years but less than 3 years | Outdoor Greatroom (OG) Plan  
EBP, Description of Plan [Line Items]  
Vesting percentage 40.00%
At least 2 years but less than 3 years | Kimball International Retirement Plan  
EBP, Description of Plan [Line Items]  
Vesting percentage 20.00%
At least 3 years but less than 4 years | Outdoor Greatroom (OG) Plan  
EBP, Description of Plan [Line Items]  
Vesting percentage 60.00%
At least 3 years but less than 4 years | Kimball International Retirement Plan  
EBP, Description of Plan [Line Items]  
Vesting percentage 40.00%
At least 4 years but less than 5 years | Outdoor Greatroom (OG) Plan  
EBP, Description of Plan [Line Items]  
Vesting percentage 80.00%
At least 4 years but less than 5 years | Kimball International Retirement Plan  
EBP, Description of Plan [Line Items]  
Vesting percentage 60.00%
5 years or more | Outdoor Greatroom (OG) Plan  
EBP, Description of Plan [Line Items]  
Vesting percentage 100.00%
5 years or more | Kimball International Retirement Plan  
EBP, Description of Plan [Line Items]  
Vesting percentage 100.00%