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Loans and Asset Quality Information (Schedule of Accruing Restructured Loans Defaulted in Period) (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)
Accruing restructured loans that defaulted in the period:
Number of Contracts - Subsequent Default		1	2	2
Subsequently defaulted - Recorded Investment		$ 7	$ 65	$ 41
Non-covered [Member]
Accruing restructured loans that defaulted in the period:
Number of Contracts - Subsequent Default		1	1	2
Subsequently defaulted - Recorded Investment		$ 7	$ 21	$ 41
Non-covered [Member] | Commercial, financial, and agricultural [Member]
Accruing restructured loans that defaulted in the period:
Number of Contracts - Subsequent Default		1		1
Subsequently defaulted - Recorded Investment		$ 7		$ 7
Non-covered [Member] | Real estate - mortgage - residential (1-4 family) first mortgages [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 mortgage commercial and other [Member]
Accruing restructured loans that defaulted in the period:
Number of Contracts - Subsequent Default			1
Subsequently defaulted - Recorded Investment			$ 21
Covered [Member]
Accruing restructured loans that defaulted in the period:
Number of Contracts - Subsequent Default			1
Subsequently defaulted - Recorded Investment			$ 44

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Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default within the period.

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Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default in the period.

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