Loans - Schedule of Troubled Debt Restructurings With Payment Default (Details) $ in Thousands	3 Months Ended
Sep. 30, 2020 USD ($) loan	Sep. 30, 2019 USD ($) loan
Financing Receivable, Modifications
Number of loans \| loan	1	3
Recorded investment \| $	$ 11	$ 124
Retail Consumer Loans \| Other TDR \| One-to-four family
Financing Receivable, Modifications
Number of loans \| loan	0	2
Recorded investment \| $	$ 0	$ 122
Retail Consumer Loans \| Other TDR \| Indirect auto finance
Financing Receivable, Modifications
Number of loans \| loan	1	0
Recorded investment \| $	$ 11	$ 0
Retail Consumer Loans \| Other TDR \| Consumer
Financing Receivable, Modifications
Number of loans \| loan	0	1
Recorded investment \| $	$ 0	$ 2

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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=121611835&loc=SL6953682-111524

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953682-111524

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