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Securities - Amortized Cost and Approximate Fair Value of Securities, Together with Gross Unrealized Gains and Losses of Securities (Detail) - USD ($) $ in Thousands | Jun. 30, 2021 | Jun. 30, 2020
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | $ 186,589 | $ 155,588
Gross Unrealized Gains | 4,639 | 7,029
Gross Unrealized Losses | (1,337) | (223)
Fair Value | 189,891 | 162,394
US Treasury [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 990 |
Gross Unrealized Gains | 6 |
Fair Value | 996 |
U.S. Government and Federal Agency and Government Sponsored Enterprises (GSEs) [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 7,522 | 7,528
Gross Unrealized Gains | 517 | 708
Fair Value | 8,039 | 8,236
Mortgage-backed Securities - GSE Residential [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 167,711 | 143,033
Gross Unrealized Gains | 4,011 | 6,044
Gross Unrealized Losses | (1,307) | (222)
Fair Value | 170,415 | 148,855
Small Business Administration [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 9,115 | 3,578
Gross Unrealized Gains | 105 | 62
Gross Unrealized Losses | (30) | (1)
Fair Value | 9,190 | 3,640
State and Political Subdivisions [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 1,251 | 1,449
Gross Unrealized Gains | 0 | 215
Gross Unrealized Losses |  | (1)
Fair Value | $ 1,251 | $ 1,663

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- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 + Details
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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References No definition available. + Details
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