Loans and Allowance for Credit Losses - Performing TDRs Segregated by Class (Details) - Performing Loans $ in Thousands	Mar. 31, 2022 USD ($) loan	Jun. 30, 2021 USD ($) loan
Number of modifications \| loan	24	12
Recorded Investment \| $	$ 6,417	$ 3,241
Residential Real Estate
Number of modifications \| loan	11	1
Recorded Investment \| $	$ 3,674	$ 895
Commercial Real Estate
Number of modifications \| loan	5	4
Recorded Investment \| $	$ 973	$ 949
Commercial loans
Number of modifications \| loan	8	7
Recorded Investment \| $	$ 1,770	$ 1,397

Amount of financing receivable modified as troubled debt restructuring.

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=121611835&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=121585226&loc=d3e18845-111554

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant