Commitments and Contingencies (Details) - USD ($)	Dec. 31, 2021	Jun. 30, 2021
Commitments to grant loans
Other Commitments [Line Items]
Other commitments	$ 3,335,000	$ 5,824,000
Unused commitments under lines of credit
Other Commitments [Line Items]
Other commitments	8,193,000	9,352,000
MPF credit enhancements
Other Commitments [Line Items]
Other commitments	$ 759,439	$ 680,777

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

No definition available.

Name:	us-gaap_OtherCommitment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant