Percentage of repurchase of outstanding common stock as condition warrant.

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- Definition

The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

+ References

No definition available.

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The minimum amount of Tier 1 Common Capital for capital adequacy purposes divided by average assets as defined in the regulations used for buffer.

+ References

No definition available.

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Total Capital divided by risk weighted assets as defined in the regulations.

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- Definition

Percentage of Common Equity Tier One Risk-based Capital to total risk-weighted assets, as defined by regulatory framework.

+ References

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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.

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No definition available.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

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- Definition

The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Regulatory Matters (Narrative) (Detail) - $ / shares	3 Months Ended	6 Months Ended
Regulatory Matters (Narrative) (Detail) - $ / shares	Mar. 31, 2020	Mar. 31, 2020	Sep. 30, 2019	Mar. 14, 2019	Jan. 01, 2019	Jan. 01, 2016	Jan. 01, 2015	Dec. 31, 2014
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Percentage of repurchase of outstanding common stock as condition warrant				2.50%
Stock repurchased during period, shares	113,335	113,335
Average cost per share	$ 15.68	$ 15.68
Malvern Federal Savings Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common equity Tier 1 capital ratio						7.00%	4.50%	4.00%
Tier 1 capital ratio	6.00%	6.00%	6.00%			8.50%	6.00%
Tier 1 Capital conservation buffer					2.50%
Total capital ratio	16.73%	16.73%	16.40%			10.50%
Capital conservation buffer percentage of risk-weighted assets						0.625%
Maximum [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Stock repurchase plan, number of shares authorized				194,516