Borrowings - Borrowings (Parenthetical) (Detail)	Dec. 31, 2013
Maximum [Member]
Borrowings Under Repurchase Agreements [Line items]
Federal Home Loan Bank advances, variable and fixed rates	1.58%
Minimum [Member]
Borrowings Under Repurchase Agreements [Line items]
Federal Home Loan Bank advances, variable and fixed rates	7.53%

States the weighted average interest rate applicable to the advances from the Federal Home Loan Bank outstanding as of the Balance Sheet date.

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

-Publisher SEC

-Name Industry Guide

-Number 3

-Section VII

-Subsection 1

Name:	us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant