Deposits - Summary of Deposits (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Banking And Thrift [Abstract]
Noninterest-bearing deposits	$ 126,214	$ 109,964
NOW account deposits	248,178	223,736
Money Market deposits	41,226	39,255
Passbook account deposits	177,747	173,343
Time deposits	639,069	631,759
Total	$ 1,232,434	$ 1,178,057
Percentage of noninterest-bearing deposits	10.20%	9.30%
Percentage of NOW account deposits	20.10%	19.00%
Percentage of Money Market deposits	3.30%	3.30%
Percentage of Passbook account deposits	14.40%	14.70%
Percentage of Time deposits	52.00%	53.70%
Percentage of deposits, total	100.00%	100.00%

Percentage of deposits.

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- Definition

Percentage of deposits negotiable order of withdrawal.

+ References

No definition available.

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- Definition

Percentage of money market deposits.

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No definition available.

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- Definition

Percentage of noninterest bearing deposits.

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No definition available.

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- Definition

Percentage of passbook account deposits.

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No definition available.

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- Definition

Percentage of time deposits.

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- Details

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- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.12)

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 9

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- Definition

Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts.

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Amount of deposits in interest-bearing transaction accounts at banks or savings and loans, that are restricted in regard to ownership and can usually only be held by individuals, nonprofit entities and governments. Negotiable order of withdrawal accounts differ from money market demand accounts as they typically have higher reserve requirements and no limit on the number of checks that can be written.

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Amount of interest bearing deposits with no stated maturity, which may include passbook and statement savings accounts and money-market deposit accounts (MMDAs).

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- Definition

The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.

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- Definition

Amount of deposits that cannot be withdrawn before a set date without penalty or for which notice of withdrawal is required. Time deposits include, but are not limited to, certificates of deposits, individual retirement accounts and open accounts.

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