Securities - Amortized Cost and Approximate Fair Value of Securities, Together with Gross Unrealized Gains and Losses of Securities (Detail) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 145,376	$ 144,905
Gross Unrealized Gains	2,831	1,723
Gross Unrealized Losses	(232)	(337)
Fair Value	147,975	146,291
U.S. Government and Federal Agency and Government Sponsored Enterprises (GSEs) [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	10,660	12,654
Gross Unrealized Gains	430	296
Fair Value	11,090	12,950
Mortgage-backed Securities - GSE Residential [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	127,481	124,615
Gross Unrealized Gains	2,214	1,231
Gross Unrealized Losses	(231)	(336)
Fair Value	129,464	125,510
Small Business Administration [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	4,510	4,911
Gross Unrealized Gains	4	25
Gross Unrealized Losses	(1)	(1)
Fair Value	4,513	4,935
State and Political Subdivisions [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	2,725	2,725
Gross Unrealized Gains	183	171
Fair Value	$ 2,908	$ 2,896

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

No definition available.

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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=118939692&loc=d3e27161-111563

+ Details

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- Definition

Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

No definition available.

+ 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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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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