Non Purchased Loans (Details 3) - Non-Purchased $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) loan	Dec. 31, 2015 USD ($) loan
Restructured loans
Number of Loans (loans) | loan	53	59
Pre-Modification Outstanding Recorded Investment	$ 9,398	$ 11,938
Post-Modification Outstanding Recorded Investment	$ 7,447	$ 10,252
Commercial, financial, agricultural
Restructured loans
Number of Loans (loans) | loan	0	1
Pre-Modification Outstanding Recorded Investment	$ 0	$ 257
Post-Modification Outstanding Recorded Investment	$ 0	$ 257
Lease financing
Restructured loans
Number of Loans (loans) | loan	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Real estate – construction
Restructured loans
Number of Loans (loans) | loan	1	0
Pre-Modification Outstanding Recorded Investment	$ 510	$ 0
Post-Modification Outstanding Recorded Investment	$ 518	$ 0
Real estate – 1-4 family mortgage
Restructured loans
Number of Loans (loans) | loan	43	46
Pre-Modification Outstanding Recorded Investment	$ 4,498	$ 5,249
Post-Modification Outstanding Recorded Investment	$ 4,105	$ 4,754
Real estate – commercial mortgage
Restructured loans
Number of Loans (loans) | loan	8	11
Pre-Modification Outstanding Recorded Investment	$ 4,324	$ 6,365
Post-Modification Outstanding Recorded Investment	$ 2,758	$ 5,174
Installment loans to individuals
Restructured loans
Number of Loans (loans) | loan	1	1
Pre-Modification Outstanding Recorded Investment	$ 66	$ 67
Post-Modification Outstanding Recorded Investment	$ 66	$ 67