- 
        Taxonomy & unit
      
 
      - 
        us-gaap: USD
      
 
    
    
      
- 
        Description
      
 
      - 
        Amount of the cost of borrowed funds accounted for as interest expense.
      
 
    
    
      - 
        Summary
      
 
      - 
        BankFinancial CORP quarterly/annual Interest Expense history and growth rate from 2010 to 2023.
- BankFinancial CORP Interest Expense for the quarter ending March 31, 2024 was $4.82M, a 81.1% increase year-over-year.
 - BankFinancial CORP Interest Expense for the twelve months ending March 31, 2024 was $16.5M, a 154% increase year-over-year.
 - BankFinancial CORP annual Interest Expense for 2023 was $14.3M, a 220% increase from 2022.
 - BankFinancial CORP annual Interest Expense for 2022 was $4.48M, a 60.4% increase from 2021.
 - BankFinancial CORP annual Interest Expense for 2021 was $2.79M, a 60% decline from 2020.
 
       
     
   
    
  Interest Expense, Trailing 12 Months (USD)
  
  
  Interest Expense, Annual (USD)
  
    
  Interest Expense, YoY Annual Growth (%)