Other Income and Operating Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Noninterest Income
Other service charges	$ 821tmp_OtherServiceCharges	$ 696tmp_OtherServiceCharges
Increase in cash surrender value of corporate owned life insurance	614us-gaap_BankOwnedLifeInsuranceIncome	502us-gaap_BankOwnedLifeInsuranceIncome
Net gain (loss) on sale of loans	4us-gaap_GainLossOnSalesOfLoansNet	50us-gaap_GainLossOnSalesOfLoansNet
Other income	587us-gaap_NoninterestIncomeOther	591us-gaap_NoninterestIncomeOther
Total other income	2,026	1,839
Noninterest Expenses
Marketing expense	989us-gaap_MarketingExpense	960us-gaap_MarketingExpense
Professional fees	1,338us-gaap_ProfessionalFees	1,388us-gaap_ProfessionalFees
Legal fees	393us-gaap_LegalFees	532us-gaap_LegalFees
Software licensing and maintenance	1,196tmp_SoftwareLicensingAndMaintenance	1,215tmp_SoftwareLicensingAndMaintenance
Cardholder expense	626tmp_CardholderExpenses	669tmp_CardholderExpenses
Other expenses	5,551tmp_OtherNoninterestExpenseOther	4,820tmp_OtherNoninterestExpenseOther
Total other operating expense	$ 10,093us-gaap_OtherNoninterestExpense	$ 9,584us-gaap_OtherNoninterestExpense

Amount of expense associated with cardholder.

No definition available.

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- Definition

Represents other expenses classified under noninterest expenses.

+ References

No definition available.

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- Definition

The noninterest income derived from the other service charges.

+ References

No definition available.

+ Details

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- Definition

Represents software licensing and maintenance expenses.

+ References

No definition available.

+ Details

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- Definition

Earnings on or other increases in the value of the cash surrender value of bank owned life insurance policies.

+ 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 210.9-04.13)

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

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- Definition

The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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-Subparagraph (SX 210.7-04.3(a))

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- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

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-Paragraph 2

-Subparagraph (SX 210.5-03.3)

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- Definition

Expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services. Costs of public relations and corporate promotions are typically considered to be marketing costs.

+ References

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-Publisher FASB

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-Paragraph 2

-Subparagraph (SX 210.5-03.4)

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- Details

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- Definition

Represents the total of noninterest income derived from certain activities and assets including (for example): (1) venture capital investments; (2) bank owned life insurance; (3) foreign currency transactions; and (4) mortgage servicing rights.

+ References

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- Definition

Represents other forms of revenue earned, excluding interest, which is not otherwise specified in the taxonomy.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

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-Paragraph 1

-Subparagraph (SX 210.7-04.4)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 13

-Article 9

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- Definition

Other noninterest expenses that are not separately presented in any other noninterest expense category.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

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-Paragraph 1

-Subparagraph (SX 210.6-07.2(a),(b),(c),(d))

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