Cash and Due From Banks (Detail Textuals) - USD ($)	Dec. 31, 2018	Jun. 30, 2018
Cash and Due from Banks [Abstract]
Requirements cash and reserve balances with Federal Reserve Bank deposits	$ 1,513,000	$ 1,439,000

Amount of pass-through reserves deposited with Federal Reserve Banks from member institutions of Federal Home Loan Banks (FHLBanks).

No definition available.

Name:	us-gaap_CashPassThroughReserveFederalHomeLoanBank
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant