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Business Combination - Summary of Assets Acquired and Liabilities Assumed Through Merger at Fair Value (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jul. 10, 2020 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
Business Acquisition [Line Items] |  |  |  |
Deferred income taxes, net |  | $ 4,098 | $ 6,327 |
Bargain purchase gain |  | $ 0 | $ 0 | $ (3,053)
MSB Financial Corporation |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash paid for acquisition | $ 9,830 |  |  |
Value of stock issued | 45,133 |  |  |
Total purchase price | 54,963 |  |  |
Cash and cash equivalents | 14,126 |  |  |
Investment securities | 3,490 |  |  |
Loans receivable | 530,244 |  |  |
Allowance for loan losses | 0 |  |  |
Premises and equipment | 4,477 |  |  |
FHLB stock | 3,345 |  |  |
Accrued interest receivable | 1,701 |  |  |
Core deposit intangibles | 690 |  |  |
Bank owned life insurance | 14,663 |  |  |
Deferred income taxes, net | 3,881 |  |  |
Other assets | 5,325 |  |  |
Total assets acquired | 581,942 |  |  |
Deposits | 460,178 |  |  |
FHLB borrowings | 62,900 |  |  |
Advance payments by borrowers for taxes | 794 |  |  |
Other liabilities | 54 |  |  |
Total liabilities assumed | 523,926 |  |  |
Net assets acquired | 58,016 |  |  |
Bargain purchase gain | (3,053) |  |  |
MSB Financial Corporation | Previously Reported |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash and cash equivalents | 14,126 |  |  |
Investment securities | 4,000 |  |  |
Loans receivable | 537,589 |  |  |
Allowance for loan losses | (6,037) |  |  |
Premises and equipment | 7,698 |  |  |
FHLB stock | 3,345 |  |  |
Accrued interest receivable | 1,701 |  |  |
Core deposit intangibles | 0 |  |  |
Bank owned life insurance | 14,663 |  |  |
Deferred income taxes, net | 1,729 |  |  |
Other assets | 4,830 |  |  |
Total assets acquired | 583,644 |  |  |
Deposits | 458,392 |  |  |
FHLB borrowings | 62,900 |  |  |
Advance payments by borrowers for taxes | 794 |  |  |
Other liabilities | 810 |  |  |
Total liabilities assumed | 522,896 |  |  |
MSB Financial Corporation | Revision of Prior Period, Adjustment |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash and cash equivalents | 0 |  |  |
Investment securities | (510) |  |  |
Loans receivable | (7,345) |  |  |
Allowance for loan losses | 6,037 |  |  |
Premises and equipment | (3,221) |  |  |
FHLB stock | 0 |  |  |
Accrued interest receivable | 0 |  |  |
Core deposit intangibles | 690 |  |  |
Bank owned life insurance | 0 |  |  |
Deferred income taxes, net | 2,152 |  |  |
Other assets | 495 |  |  |
Total assets acquired | (1,702) |  |  |
Deposits | 1,786 |  |  |
FHLB borrowings | 0 |  |  |
Advance payments by borrowers for taxes | 0 |  |  |
Other liabilities | (756) |  |  |
Total liabilities assumed | $ 1,030 |  |  |

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- Definition In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479637/805-30-30-6 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479637/805-30-30-5 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479668/805-30-25-2 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479668/805-30-25-3 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479668/805-30-25-4 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (f)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479581/805-30-50-1 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 8 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479637/805-30-30-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479581/805-30-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 7 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479637/805-30-30-7 + Details
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