Loans and Allowance for Loan Losses - Additional information (Details)	3 Months Ended	6 Months Ended	12 Months Ended
Sep. 30, 2020 USD ($) loan	Sep. 30, 2020 USD ($) loan	Jun. 30, 2020 loan
Loans and Allowance for Loan Losses
TDR's granted during the period \| loan	1	2	1
TDR investment modified during the period	$ 47,853
TDR's defaulted during the period \| loan	0
TDR's outstanding	$ 241,474	$ 241,474
Loans transferred out of TDR	$ 0

Amount of financing receivable modified as troubled debt restructuring during the period.

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- Definition

Loans were transferred out of TDR status during 2019.

+ References

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

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- Definition

Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=118939409&loc=d3e18845-111554

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- Definition

Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953682-111524

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- References

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