Related Party Transactions - Summary of Aggregate Activity Involving Related Party Borrowers (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Related Party Transactions [Abstract]
Balance at beginning of year	$ 13,782	$ 8,927
New loan additions	6	5,570
Advances on existing lines of credit	21,139	18,980
Principal repayments	(22,554)	(19,695)
Reclassifications	(1,395)	0
Balance at end of year	$ 10,961	$ 13,782

Loans and leases receivable related parties advances on existing lines of credit.

No definition available.

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Balance Type:	debit
Period Type:	duration

- Definition

Loans and leases receivable related parties reclassifications.

+ References

No definition available.

+ Details

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- Definition

For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(e))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph e

-Article 9

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Reflects the amount of new advances made to related parties in the form of loan and lease receivables.

+ References

+ Details

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- Definition

Reflects the amount of collections received from related parties to reduce the carrying amounts of loans and leases receivable due from them.

+ References

+ Details

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Period Type:	duration

- Details

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