XML 66 R57.htm IDEA: XBRL DOCUMENT v3.22.1
Variable Interest Entities - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Variable Interest Entities      
Impairment losses $ 0 $ 0  
Other assets      
Variable Interest Entities      
Carrying value of equity investments in LIHTCs $ 56,675,000   $ 50,725,000
CDE      
Variable Interest Entities      
Tax credit period 7 years    
LIHTC      
Variable Interest Entities      
Tax credit period 10 years    
Tax credit compliance period 15 years