Non Purchased Loans - Changes in Restructured Loans (Details) - Non purchased loans and leases $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($) loan
Changes in restructured loans [Roll Forward]
Totals at January 1, 2018 (loans) | loan	54
Additional loans with concessions (loans) | loan	5
Reclassified as performing (loans) | loan	2
Reclassified as nonperforming (loans) | loan	(7)
Paid in full (loans) | loan	(8)
Principal paydowns (loans) | loan	0
Totals at September 30, 2018 (loans) | loan	46
Recorded Investment
Totals at January 1, 2018 | $	$ 5,588
Additional loans with concessions | $	709
Reclassified as performing | $	154
Reclassified as nonperforming | $	(598)
Paid in full | $	(1,448)
Principal paydowns | $	(165)
Totals at September 30, 2018 | $	$ 4,240