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Short-Term Borrowings - Summary of Short-Term Borrowings (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Short-term Debt [Line Items]
Short-term borrowings	$ 1,675	$ 900
Weighted average interest rate	1.84%	0.97%
Federal Funds Purchased [Member]
Short-term Debt [Line Items]
Short-term borrowings	$ 1,675	$ 900
Short-term Debt [Member]
Short-term Debt [Line Items]
End of period interest rate	2.30%	1.38%

X

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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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.

+ References

No definition available.

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Weighted average interest rate of short-term debt outstanding calculated at point in time.

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