Loans and Allowance for Loan Losses (Troubled Debt Restructurings That Subsequently Defaulted) (Details) - Troubled Debt Restructurings That Subsequently Defaulted [Member] $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($) Contract	Sep. 30, 2014 USD ($) Contract	Sep. 30, 2015 USD ($) Contract	Sep. 30, 2014 USD ($) Contract
Financing Receivable, Modifications [Line Items]
Number of Contracts	2	4	4	12
Recorded Investment | $	$ 478	$ 317	$ 593	$ 3,397
Home Equity Lines [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	0	2	0
Recorded Investment | $	$ 40	$ 0	$ 74	$ 0
Consumer Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	2	0	3
Recorded Investment | $	$ 0	$ 136	$ 0	$ 206
Credit Cards [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	0
Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Other Retail Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	1	0
Recorded Investment | $	$ 0	$ 0	$ 81	$ 0
Investment Properties [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	1
Recorded Investment | $	$ 0	$ 0	$ 0	$ 186
1-4 Family Properties [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	3
Recorded Investment | $	$ 0	$ 0	$ 0	$ 1,018
Land Acquisition [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	1
Recorded Investment | $	$ 0	$ 0	$ 0	$ 428
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0	5
Recorded Investment | $	$ 0	$ 0	$ 0	$ 1,632
Commercial, Financial and Agricultural [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	2	0	4
Recorded Investment | $	$ 0	$ 181	$ 0	$ 1,559
Owner-Occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	0	1	0
Recorded Investment | $	$ 438	$ 0	$ 438	$ 0
Commercial and Industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	2	1	4
Recorded Investment | $	$ 438	$ 181	$ 438	$ 1,559
Retail [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	2	3	3
Recorded Investment | $	$ 40	$ 136	$ 155	$ 206