XML 52 R48.htm IDEA: XBRL DOCUMENT v3.19.3
Borrowings - Additional Information (Details) - USD ($)
Sep. 30, 2019
Jun. 30, 2019
Debt Instrument [Line Items]    
Federal Home Loan Bank borrowings $ 28,600,000 $ 44,200,000
Pledged Assets Separately Reported, Other Debt Securities Available-for-sale or Held-for-investment 6,810,000 7,100,000
U.S. Bank    
Debt Instrument [Line Items]    
Maximum line of credit borrowing in master contract agreement 5,000,000 5,000,000
Debt Instrument, Unused Borrowing Capacity, Amount 0 0
Federal Home Loan Bank ("FHLB")    
Debt Instrument [Line Items]    
Maximum line of credit borrowing in master contract agreement 103,037,256  
Federal Home Loan Bank borrowings 0 0
Total outstanding in fixed rate term advances $ 28,600,000 $ 44,200,000