Loans and Allowance for Loan Losses (Credit Quality Indicator) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	$ 1,357,788,000	$ 1,212,248,000
Loans and Leases Receivable, Deferred Income	(3,200,000)	3,600,000
Servicing Assets, Unconsolidated Loans Serviced, Unpaid Principal Balance	235,000,000	190,200,000
Commercial and agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	113,413,000	72,252,000
Real estate - construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	78,327,000	64,083,000
Real estate - mortgage, 1-4 family residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	667,602,000	636,107,000
Real estate - mortgage, commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	426,328,000	394,924,000
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	72,118,000	44,882,000
Substandard or Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans purchased in the Merger	27,000,000	40,500,000
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	1,254,674,000	1,070,830,000
Pass [Member] \| Commercial and agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	104,165,000	67,277,000
Pass [Member] \| Real estate - construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	68,995,000	50,138,000
Pass [Member] \| Real estate - mortgage, 1-4 family residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	646,897,000	601,304,000
Pass [Member] \| Real estate - mortgage, commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	363,267,000	307,661,000
Pass [Member] \| Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	71,350,000	44,450,000
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	39,818,000	45,884,000
Special Mention [Member] \| Commercial and agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	6,318,000	1,262,000
Special Mention [Member] \| Real estate - construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	2,411,000	3,984,000
Special Mention [Member] \| Real estate - mortgage, 1-4 family residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	5,363,000	10,887,000
Special Mention [Member] \| Real estate - mortgage, commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	25,715,000	29,711,000
Special Mention [Member] \| Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	11,000	40,000
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	62,553,000	95,189,000
Substandard [Member] \| Commercial and agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	2,930,000	3,713,000
Substandard [Member] \| Real estate - construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	6,921,000	9,961,000
Substandard [Member] \| Real estate - mortgage, 1-4 family residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	15,342,000	23,916,000
Substandard [Member] \| Real estate - mortgage, commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	36,984,000	57,552,000
Substandard [Member] \| Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	376,000	47,000
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	743,000	345,000
Doubtful [Member] \| Commercial and agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	0	0
Doubtful [Member] \| Real estate - construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	0	0
Doubtful [Member] \| Real estate - mortgage, 1-4 family residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	0	0
Doubtful [Member] \| Real estate - mortgage, commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	362,000	0
Doubtful [Member] \| Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	$ 381,000	$ 345,000

This represents the unpaid principal balance of the unconsolidated loans serviced under the servicing contract.

No definition available.

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- Definition

The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and allowance for loan losses). This relates to loans not accounted for debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 30

-Section 15

-Paragraph 2

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- Definition

Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

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-Name Regulation S-X (SX)

-Number 210

-Section 03

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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