Troubled Debt Restructuring (Detail) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016 USD ($) Contracts	Jun. 30, 2016 USD ($) Contracts
Commercial
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contracts	0	0
Pre- Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	0	0
Interest Only	0	0
Term	0	0
Combination	0	0
Total Modification	$ 0	$ 0
Commercial real estate
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contracts	0	2
Pre- Modification Outstanding Recorded Investment	$ 0	$ 85
Post-Modification Outstanding Recorded Investment	0	85
Interest Only	0	0
Term	0	85
Combination	0	0
Total Modification	$ 0	$ 0
Residential
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contracts	0	0
Pre- Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	0	0
Interest Only	0	0
Term	0	0
Combination	0	0
Total Modification	$ 0	$ 0
Installment
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contracts	0	0
Pre- Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	0	0
Consumer
Financing Receivable, Modifications [Line Items]
Interest Only	0	0
Term	0	0
Combination	0	0
Total Modification	$ 0	$ 0

Financing receivable, modifications combination

No definition available.

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- Definition

Financing receivable modifications interest only

+ References

No definition available.

+ Details

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- Definition

Financing receivable, modifications term

+ References

No definition available.

+ Details

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- Definition

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.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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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=66008989&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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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=25495931&loc=d3e18845-111554

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Recorded Investment
-URI http://asc.fasb.org/extlink&oid=65880944

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