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Loans and Allowance for Credit Losses - Nonaccrual Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	$ 2,963	$ 5,868
Residential Real Estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	1,011	3,235
Construction Real Estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans		30
Commercial Real Estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	1,631	1,914
Consumer loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	76	100
Commercial loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	$ 245	$ 589

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Amount of financing receivable on nonaccrual status.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
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-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5111-111524

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447

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