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Variable Interest Entities - Narrative (Details) - USD ($)
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Variable Interest Entities      
Carrying value of equity investments in LIHTCs $ 83,625,000   $ 72,918,000
Impairment losses $ 0 $ 0  
CDE      
Variable Interest Entities      
Tax credit period 7 years    
LIHTC      
Variable Interest Entities      
Tax credit period 10 years    
Tax credit compliance period 15 years