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Regulatory Matters - Association's Actual Capital Amounts and Ratios (Detail) - Association [Member] $ in Thousands | Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($)
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Actual, Community Bank Leverage Ratio, Amount | $ 84,222 | $ 81,143
Actual, Tier 1 capital (to adjusted total assets), Amount | 84,222 | 81,143
Actual, Tangible capital (to adjusted tangible assets), Amount | $ 84,222 | $ 81,143
Actual, Community Bank Leverage Ratio, Ratio | 0.0951 | 0.0978
Actual, Tier 1 capital (to adjusted total assets), Ratio | 9.51% | 9.78%
Actual, Tangible capital (to adjusted total assets), Ratio | 0.0951 | 0.0978
Minimum Capital Requirement, Community Bank Leverage Ratio, Amount | $ 79,726 | $ 74,703
Minimum Capital Requirement, Tier 1 capital (to adjusted total assets), Amount | 35,434 | 33,201
Minimum Capital Requirement, Tangible capital (to adjusted tangible assets), Amount | $ 13,288 | $ 12,450
Minimum Capital Requirement, Community Bank Leverage Ratio, Ratio | 0.09 | 0.09
Minimum Capital Requirement, Tier 1 capital (to adjusted total assets), Ratio | 4.00% | 4.00%
Minimum Capital Requirement, Tangible capital (to adjusted tangible assets), Ratio | 0.015 | 0.015
Minimum To Be Well Capitalised Under Prompt Corrective Action Provisions, Community Bank Leverage Ratio, Amount | $ 79,726 | $ 74,703
Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions, Tier 1 capital (to adjusted total assets), Amount | $ 44,292 | $ 41,502
Minimum To Be Well Capitalised Under Prompt Corrective Action Provisions, Community Bank Leverage Ratio, Ratio | 0.09 | 0.09
Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions, Tier 1 capital (to adjusted total assets), Ratio | 5.00% | 5.00%

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