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Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands	Sep. 30, 2017 USD ($)
Summary Of Significant Accounting Policies [Abstract]
Balances of loans of all other classes while impairment evaluation	$ 250

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- Definition

Minimum Outstanding Impaired Commercial Loans

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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