Allowance For Loan Losses [Line Items]

No definition available.

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- Definition

Financing receivable modification as troubled debt restructuring that subsequently defaulted.

+ References

No definition available.

+ Details

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

+ Details

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Period Type:	duration

- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524

+ Details

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Period Type:	duration

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- Details

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- Details

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Allowance for Loan Losses - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($) Contract	Sep. 30, 2016 USD ($) Contract	Sep. 30, 2017 USD ($) Contract	Sep. 30, 2016 USD ($) Contract	Dec. 31, 2016 USD ($)
Allowance For Loan Losses [Line Items]
TDRs performing under the restructured terms	$ 340,000		$ 340,000		$ 460,000
Loans modified under TDRs \| Contract	0		0
Troubled debt restructuring loan subsequent default	$ 0	$ 0	$ 0	$ 0
Troubled debt restructuring loan subsequent default period			90 days
Performing financing receivable
Allowance For Loan Losses [Line Items]
TDRs performing under the restructured terms	$ 287,000		$ 287,000		$ 300,000
Secured by 1-4 family residential \| Real estate loans
Allowance For Loan Losses [Line Items]
Loans modified under TDRs \| Contract		1		1
Recorded investment for loan prior to modification		$ 138,000		$ 138,000
Recorded investment after the modification		$ 88,000		$ 88,000