Components of Deposits (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Deposits By Type [Line Items]
Noninterest-bearing demand deposits	$ 433,422	$ 417,729
Interest-bearing deposits:
Interest-bearing demand deposits	341,300	353,874
Money market accounts	220,304	225,196
Savings deposits	313,285	300,282
Certificates of deposit	538,272	557,352
Individual retirement accounts	144,606	146,326
Total interest-bearing deposits	1,557,767	1,583,030
Total deposits	$ 1,991,189us-gaap_Deposits	$ 2,000,759us-gaap_Deposits

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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

+ Details

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- Definition

The aggregate of all domestic and foreign interest-bearing deposit liabilities.

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- Definition

Amount of interest-bearing domestic certificate of deposit liabilities.

+ References

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- Definition

Amount of money in interest-bearing domestic accounts that entitle the depositor to withdraw funds at any time without prior notice, also known as demand deposits.

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Amount of interest-bearing domestic money market demand account deposit liabilities.

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Amount of interest-bearing domestic deposit liabilities for time deposit liabilities other than certificates of deposit.

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Amount of interest-bearing domestic savings deposit liabilities. Saving deposits bear interest and have no stated maturity.

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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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