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Regulatory Matters (Details Narrative) | Sep. 30, 2019
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Banking and Thrift [Abstract] |
Minimum requirement of capital conservation buffer, ratio | 2.50%

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- Definition The minimum capital conservation buffer above minimum risk-based capital requirements that must be maintained by the bank, as per capital conservation buffer rules implemented by banking regulations. + References No definition available. + Details
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Namespace Prefix: | OPHC_
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Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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