Loans and Allowance for Credit Losses on Loans - Schedule of Troubled Debt Restructurings With Payment Default (Details) - Other TDR $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2022 USD ($) loan	Mar. 31, 2021 USD ($) loan	Mar. 31, 2022 USD ($) loan	Mar. 31, 2021 USD ($) loan
Financing Receivable, Modifications
Number of loans \| loan	0	1	2	2
Recorded investment \| $	$ 0	$ 1	$ 44	$ 26
Retail Consumer Loans \| Indirect auto finance
Financing Receivable, Modifications
Number of loans \| loan	0	1	2	2
Recorded investment \| $	$ 0	$ 1	$ 44	$ 26

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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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