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Credit Arrangements, Bank Debt (Details)
$ in Thousands
12 Months Ended
Mar. 22, 2024
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
May 12, 2021
USD ($)
Bank Debt [Abstract]        
Net worth   $ 99,613 $ 107,275  
Revolving Credit Facility [Member]        
Bank Debt [Abstract]        
Unsecured credit facility       $ 10,000
Maturity date   Apr. 12, 2024    
Indebtedness capital ratio   0.35    
Outstanding borrowings   $ 4,023 3,019  
Interest expense   283 200  
Available unused amount fee paid   9 $ 0  
Available unused amount   $ 6,000    
Debt instrument, effective interest rate percentage   6.67% 7.46%  
Revolving Credit Facility [Member] | Amendment [Member]        
Bank Debt [Abstract]        
Maturity date   Mar. 22, 2027    
Basis spread on variable rate 2.00%      
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] aame:TermSecuredOvernightFinancingRateSOFRMember      
Unused commitment fee 0.20%      
Revolving Credit Facility [Member] | Amendment [Member] | Maximum [Member]        
Bank Debt [Abstract]        
Net worth $ 64,200