Cash and Due From Banks (Details) - USD ($)	Jun. 30, 2019	Jun. 30, 2018
Cash and Due From Banks
Requirements for cash and reserve balances with Federal Reserve Bank deposits	$ 1,532,000	$ 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