Allowance for Loan Losses - Reconciliation of Nonaccrual Loans to Impaired Loans (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Receivables [Abstract]
Nonaccrual loans	$ 4,476	$ 5,206
Nonaccrual loans collectively evaluated for impairment	(1,895)	(2,040)
Nonaccrual impaired loans	2,581	3,166
TDRs on accrual	3,270	4,115
Other impaired loans on accrual	218	325
Total Impaired Loans, Recorded Investment	$ 6,069	$ 7,606

Financing receivable modifications accrual.

No definition available.

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- Definition

Loans and leases receivable impaired accrual of interest.

+ References

No definition available.

+ Details

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- Definition

Loans and leases receivable impaired nonaccrual of interest.

+ References

No definition available.

+ Details

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- Definition

Loans and leases receivable nonaccrual collectively evaluated for impairment.

+ References

No definition available.

+ Details

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- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953550-111524

+ Details

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- Definition

Reflects the carrying amount of loans deemed to be questionable as to collection on which no interest is continuing to be recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5111-111524

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- References

No definition available.

+ Details

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