Loans and Asset Quality Information (Schedule of Accruing Restructured Loans Defaulted in Period) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015 N	Mar. 31, 2014 N
Accruing restructured loans that defaulted in the period:
Number of Contracts - Subsequent Default	1	2
Subsequently defaulted - Recorded Investment	$ 34	$ 76
Non-covered [Member]
Accruing restructured loans that defaulted in the period:
Number of Contracts - Subsequent Default	1	2
Subsequently defaulted - Recorded Investment	34	76
Non-covered [Member] | Real Estate construction, land development and other land loans [Member]
Accruing restructured loans that defaulted in the period:
Number of Contracts - Subsequent Default		1
Subsequently defaulted - Recorded Investment		5
Non-covered [Member] | Real estate residential, farmland and mutli-family [Member]
Accruing restructured loans that defaulted in the period:
Number of Contracts - Subsequent Default	1
Subsequently defaulted - Recorded Investment	34
Non-covered [Member] | Real estate commercial [Member]
Accruing restructured loans that defaulted in the period:
Number of Contracts - Subsequent Default		1
Subsequently defaulted - Recorded Investment		71
Covered [Member]
Accruing restructured loans that defaulted in the period:
Number of Contracts - Subsequent Default
Subsequently defaulted - Recorded Investment