Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Statement Of Stockholders Equity [Abstract]
ESOP shares committed to be released, shares	201	201	201
Dividends declared per common share	$ 0.43	$ 0.35	$ 0.29

This item represents the number of shares provided to the Employee Stock Ownership Plan (ESOP) during the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 40
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109244661&loc=d3e17540-113929

Name:	us-gaap_EmployeeStockOwnershipPlanESOPSharesContributedToESOP
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration