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Loan Commitments (Tables)
 12 Months Ended
Jun. 30, 2017
Loan Commitments [Abstract]  
Summary of outstanding loan commitments
  2017  2016 
(in thousands) Fixed  Variable  Fixed  Variable 
             
Unused commitment:            
Revolving, open-end lines secured by real estate $--  $9,443  $--  $8,847 
Commitments to fund real estate construction loans  692   2,365   1,609   3,311 
Other unused commitment:                
Commercial and industrial loans  1,121   --   1,082   -- 
Other  907   1,266   1,102   1,908 
Letters of credit  --   --   --   --