v3.26.1
Exempt Party-in-interest Transactions (Details) - EBP 003 - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
EBP, Related Party and Party-in-Interest Transactions [Line Items]    
Notes receivable from participants $ 15,953 $ 14,907
Interest from notes receivable from participants 1,258  
Participant-directed Investments at Fair Value (See Note 3) $ 968,758 $ 871,747
Kemper common stock | Party-in-interest investment, Kemper ESOP    
EBP, Related Party and Party-in-Interest Transactions [Line Items]    
Number of shares held 110,531 117,013
Participant-directed Investments at Fair Value (See Note 3) $ 4,481 $ 7,775
Short term investment fund | Party-in-interest investment, Kemper ESOP    
EBP, Related Party and Party-in-Interest Transactions [Line Items]    
Participant-directed Investments at Fair Value (See Note 3) $ 143 $ 283