Non Purchased Loans - Investment and Interest Income Recognized on Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019
Investment and interest income recognized on impaired loans
Average Recorded Investment	$ 9,133	$ 9,128
Interest Income Recognized	50	98
Non purchased loans and leases
Investment and interest income recognized on impaired loans
Average Recorded Investment	31,335	31,427
Interest Income Recognized	204	414
Non purchased loans and leases | Commercial, financial, agricultural
Investment and interest income recognized on impaired loans
Average Recorded Investment	5,746	5,773
Interest Income Recognized	9	18
Non purchased loans and leases | Lease financing
Investment and interest income recognized on impaired loans
Average Recorded Investment	88	87
Interest Income Recognized	0	0
Non purchased loans and leases | Real estate – construction:
Investment and interest income recognized on impaired loans
Average Recorded Investment	9,015	8,986
Interest Income Recognized	105	210
Non purchased loans and leases | Real estate – 1-4 family mortgage
Investment and interest income recognized on impaired loans
Average Recorded Investment	10,584	10,640
Interest Income Recognized	51	103
Non purchased loans and leases | Real estate – commercial mortgage:
Investment and interest income recognized on impaired loans
Average Recorded Investment	5,812	5,851
Interest Income Recognized	38	81
Non purchased loans and leases | Installment loans to individuals
Investment and interest income recognized on impaired loans
Average Recorded Investment	90	90
Interest Income Recognized	$ 1	$ 2