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Loans - Summary of Activities in Allowance for Credit Losses (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2014
Allowance for Loan & Lease Losses
Balance at beginning of year			$ 6,057	$ 5,905	$ 5,905
Provision for loan loss	$ 308	$ 243	924	540	625
Loans charged off	(218)	(177)	(476)	(798)	(1,030)
Recoveries	29	172	107	518	557
Allowance for Loan & Lease Losses	6,612		6,612		6,057
Allowance for Unfunded Loan Commitments & Letters of Credit	227		227		208
Total Allowance for Credit Losses	$ 6,839	$ 6,361	$ 6,839	$ 6,361	$ 6,265	$ 6,712	$ 6,128	$ 6,112

X

- Definition

Allowance is intended to reflect the potential for losses that may not be funded but for which the bank has made a commitment to fund including letters of credit.

+ References

No definition available.

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- Definition

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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A valuation allowance for financing receivables that are expected to be uncollectible.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount of expense related to estimated loss from loan and lease transactions.

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