Allowance For Loan Losses (Credit Quality Indicator) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012		Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	$ 1,281,823		$ 1,217,535
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	998,025		910,650
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	91,655		130,677
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	191,704	[1]	174,795	[2]
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	439	[1]	1,413	[2]
Substandard or Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans purchased in the Merger	81,900		63,600
Commercial and agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	78,367		95,089
Commercial and agricultural [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	64,091		77,305
Commercial and agricultural [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	4,591		7,373
Commercial and agricultural [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	9,685	[1]	9,921	[2]
Commercial and agricultural [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	0	[1]	490	[2]
Real estate - construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	75,576		92,806
Real estate - construction [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	44,799		53,105
Real estate - construction [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	3,266		5,797
Real estate - construction [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	27,511	[1]	33,886	[2]
Real estate - construction [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	0	[1]	18	[2]
Real estate - mortgage, 1-4 family residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	589,972		453,725
Real estate - mortgage, 1-4 family residential [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	533,265		385,022
Real estate - mortgage, 1-4 family residential [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	19,412		25,864
Real estate - mortgage, 1-4 family residential [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	37,070	[1]	42,630	[2]
Real estate - mortgage, 1-4 family residential [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	225	[1]	209	[2]
Real estate - mortgage, commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	493,721		531,383
Real estate - mortgage, commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	312,648		351,731
Real estate - mortgage, commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	64,189		91,364
Real estate - mortgage, commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	116,757	[1]	87,971	[2]
Real estate - mortgage, commercial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	127	[1]	317	[2]
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	44,187		44,532
Consumer [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	43,222		43,487
Consumer [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	197		279
Consumer [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	681	[1]	387	[2]
Consumer [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable	$ 87	[1]	$ 379	[2]

[1] Includes $81.9 million of loans purchased in the Merger categorized as Substandard and Doubtful.

[2] Includes $63.6 million of loans purchased in the Merger categorized as Substandard and Doubtful.