Deposits - Interest Expense on Deposits (Detail) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Banking And Thrift [Abstract]
Time certificates, less than $100,000	$ 1,821,591	$ 2,706,666	$ 3,380,456
Time certificates, $100,000 or more	1,600,519	2,225,726	2,567,071
Money market	40,481	71,808	88,813
Savings	349,998	330,842	235,628
NOW	8,718	16,435	11,610
Total interest expense	$ 3,821,307	$ 5,351,477	$ 6,283,578

Interest expense domestic deposit liabilities less than one lakh.

No definition available.

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- Definition

Interest expense domestic deposit liabilities one lakh or more.

+ References

No definition available.

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- Definition

Aggregate amount of all interest expense on domestic deposit liabilities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.6)

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 6

-Article 9

+ Details

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- Definition

Amount of interest expense on domestic money market demand account deposit liabilities.

+ References

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- Definition

Amount of interest expense on domestic notice of withdrawal demand deposit liabilities.

+ References

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- Definition

Amount of interest expense on domestic savings deposit liabilities.

+ References

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