Loans Receivable and Allowance for Loan Losses (Troubled Debt Restructurings on Loan Receivables) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015 Contract	Mar. 31, 2014 Contract
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	22
Recorded Investment at Time of Restructure	$ 3,307	$ 2,911
Minimum [Member]
Financing Receivable, Modifications [Line Items]
Number of Concessions for Classifying Loans Receivable as TDR	1
Forbearance Agreement [Member] \| Commercial and industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	0
Recorded Investment at Time of Restructure	3,307	0
Material Extension of Time [Member] \| Commercial construction and land development [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	1
Recorded Investment at Time of Restructure	0	242
Change in Amortization Period [Member] \| Commercial and industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	3
Recorded Investment at Time of Restructure	0	261
Change in Amortization Period [Member] \| Owner occupied real estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	1
Recorded Investment at Time of Restructure	0	128
Change in Amortization Period [Member] \| Commercial construction and land development [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	1
Recorded Investment at Time of Restructure	0	214
Change in Amortization Period [Member] \| Commercial real estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	14
Recorded Investment at Time of Restructure	0	1,893
Combination of Concessions [Member] \| Commercial and industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	1
Recorded Investment at Time of Restructure	0	30
Interest Rate Adjustment [Member] \| Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	1
Recorded Investment at Time of Restructure	$ 0	$ 143

Number of Concessions for Classifying Loans Receivable as TDR

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554

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