XML 82 R64.htm IDEA: XBRL DOCUMENT v3.19.2
Borrowings (Details)
$ in Thousands
12 Months Ended
Jun. 30, 2019
USD ($)
Institution
Jun. 30, 2018
USD ($)
Borrowings [Abstract]    
Short-term or overnight borrowings from Federal Home Loan Bank $ 8,000 $ 0
Available-for-sale securities pledged as collateral 1,500 1,700
Federal Home Loan Bank of New York [Member] | The Bank of Greene County [Member]    
Borrowings [Abstract]    
Loans pledged as collateral 317,000  
Maximum amount of funding available 254,100  
Total borrowings from Federal Home Loan Bank 21,600  
Short-term or overnight borrowings from Federal Home Loan Bank $ 8,000 0
Federal Home Loan Bank of New York [Member] | The Bank of Greene County [Member] | Weighted Average [Member]    
Borrowings [Abstract]    
Interest rate 1.68%  
Weighted average maturity 18 months  
Federal Reserve Bank [Member] | The Bank of Greene County [Member]    
Borrowings [Abstract]    
Available-for-sale securities pledged as collateral $ 1,500  
Atlantic Central Bankers' Bank [Member]    
Line of credit facility [Abstract]    
Maximum borrowing capacity 7,500  
Amount outstanding 0 0
Atlantic Central Bankers' Bank [Member] | The Bank of Greene County [Member]    
Line of credit facility [Abstract]    
Maximum borrowing capacity 10,000  
Amount outstanding 0 0
Other Financial Institution [Member] | The Bank of Greene County [Member]    
Line of credit facility [Abstract]    
Maximum borrowing capacity $ 40,000  
Number of other financial institutions | Institution 2  
Amount outstanding $ 0 0
Standby Letters of Credit [Member] | Federal Home Loan Bank of New York [Member] | The Bank of Greene County [Member]    
Line of credit facility [Abstract]    
Amount outstanding $ 80,600 $ 40,000