Concentrations of Credit Risk - Additional Information (Detail) (USD $)	Dec. 31, 2013	Oct. 31, 2008
Risks And Uncertainties [Abstract]
FDIC increased its deposit coverage on all accounts		$ 250,000
Deposit with bank insured amount	250,000
Total FHLB deposits	3,800,000
Total deposits at federal reserve	$ 15,400,000

The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

No definition available.

Name:	us-gaap_CashFDICInsuredAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant