XML 71 R59.htm IDEA: XBRL DOCUMENT v3.20.2
Borrowed Funds - Narrative (Details) - USD ($)
Sep. 27, 2016
Jun. 30, 2020
Short-term Debt [Line Items]    
Line of credit maximum borrowing capacity $ 50,000,000.0  
Commitment fee (as a percent) 0.35%  
Amount outstanding under facility   $ 0
One-month LIBOR plus 1.75%    
Short-term Debt [Line Items]    
Line of credit interest rate spread (as a percent) 1.75%  
Federal Home Loan Bank Advances | Minimum    
Short-term Debt [Line Items]    
FHLB fixed interest rate (as a percent)   0.00%
Federal Home Loan Bank Advances | Maximum    
Short-term Debt [Line Items]    
FHLB fixed interest rate (as a percent)   1.97%