Financial Instruments - Carrying Amount and Fair Value of the Company's Financial Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Financial Assets:
Securities	$ 1,093,354	$ 1,063,016
Securities receivable	712	654
Loans receivable and held for sale	709,373	695,636
Accrued interest receivable	7,342	7,345
FHLB Stock	14,115	15,436
Bank owned life insurance	30,235	30,595
Financial Liabilities:
Deposits	1,300,163	1,222,767
Junior subordinated notes	36,083	36,083
Advance payments by borrowers for taxes and insurance	3,515	2,659
Carrying Value [Member]
Financial Assets:
Cash and Cash Equivalents	14,868	16,214
Securities	1,093,354	1,063,016
Securities receivable	2,380	654
Loans receivable and held for sale	709,373	695,636
Accrued interest receivable	7,342	7,345
FHLB Stock	14,115	15,436
Bank owned life insurance	30,235	30,595
Interest rate cap contracts	462	717
Financial Liabilities:
Deposits	1,300,163	1,222,767
Borrowed funds	378,446	441,144
Junior subordinated notes	36,083	36,083
Advance payments by borrowers for taxes and insurance	3,515	2,659
Accrued interest payable	2,048	1,046
Interest rate swap contracts	3,618	3,870
Fair Value [Member]
Financial Assets:
Cash and Cash Equivalents	14,868	16,214
Securities	1,093,354	1,063,016
Securities receivable	2,380	654
Loans receivable and held for sale	732,778	707,919
Accrued interest receivable	7,342	7,345
FHLB Stock	14,115	15,436
Bank owned life insurance	30,235	30,595
Interest rate cap contracts	462	717
Financial Liabilities:
Deposits	1,305,799	1,229,435
Borrowed funds	390,402	455,378
Junior subordinated notes	27,062	25,258
Advance payments by borrowers for taxes and insurance	3,515	2,659
Accrued interest payable	2,048	1,046
Interest rate swap contracts	3,618	3,870
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level I) [Member]
Financial Assets:
Cash and Cash Equivalents	14,868	16,214
Securities	1,453	1,921
Securities receivable	2,380	654
Loans receivable and held for sale
Accrued interest receivable	7,342	7,345
FHLB Stock	14,115	15,436
Bank owned life insurance	30,235	30,595
Interest rate cap contracts
Financial Liabilities:
Deposits	653,392	577,040
Borrowed funds
Junior subordinated notes
Advance payments by borrowers for taxes and insurance	3,515	2,659
Accrued interest payable	2,048	1,046
Interest rate swap contracts
Significant Other Observable Inputs (Level II) [Member]
Financial Assets:
Cash and Cash Equivalents
Securities	1,054,846	1,023,886
Securities receivable
Loans receivable and held for sale
Accrued interest receivable
FHLB Stock
Bank owned life insurance
Interest rate cap contracts	462	717
Financial Liabilities:
Deposits
Borrowed funds	119,727	151,942
Junior subordinated notes	27,062	25,258
Advance payments by borrowers for taxes and insurance
Accrued interest payable
Interest rate swap contracts	3,618	3,870
Significant Unobservable Inputs (Level III) [Member]
Financial Assets:
Cash and Cash Equivalents
Securities	37,055	37,209
Securities receivable
Loans receivable and held for sale	732,778	707,919
Accrued interest receivable
FHLB Stock
Bank owned life insurance
Interest rate cap contracts
Financial Liabilities:
Deposits	652,407	652,395
Borrowed funds	270,675	303,436
Junior subordinated notes
Advance payments by borrowers for taxes and insurance
Accrued interest payable
Interest rate swap contracts

Interest rate cap contract.

No definition available.

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- Definition

Securities receivable.

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No definition available.

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Carrying amount of accumulated prepayments received by financial institutions from borrowers for taxes (for example, property taxes) and insurance (for example, property and catastrophe) which will periodically be remitted to the appropriate governmental agency or vendor on behalf of the borrower.

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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-Publisher FASB

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The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.

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The sum of cash and cash equivalents plus Federal Funds Sold. Cash and cash equivalents consist of short term, highly liquid investments that are readily convertible to known amounts of cash and are so near their maturity that they present negligible risk of changes in value due to changes in interest rates -- usually with an original maturity less than 90 days.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash Equivalents

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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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.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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