Deposit Accounts - Certificates of Deposit With Balances of $100 Or Greater (Details) - USD ($)	Jun. 30, 2019	Jun. 30, 2018
Banking and Thrift [Abstract]
Certificates of deposit, minimum account balance	$ 250,000
Certificates of Deposit With Balances of $250 or Greater	93,654,000	$ 70,553,000
FDIC insured amount	$ 250,000

The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

No definition available.

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