Non Purchased Loans - Restructured Loans (Details) - Non-Purchased $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) loan	Dec. 31, 2018 USD ($) loan
Number of Loans
Beginning balance (loans) | loan	51	54
Additional loans with concessions (loans) | loan	7	11
Reclassified as performing (loans) | loan	5	3
Reclassified as nonperforming (loans) | loan	(9)	(8)
Paid in full (loans) | loan	(8)	(9)
Principal paydowns (loans) | loan	0	0
Ending balance (loans) | loan	46	51
Recorded Investment
Beginning balance | $	$ 5,325	$ 5,588
Additional advances or loans with concessions | $	661	1,861
Reclassified as performing | $	252	295
Reclassified as nonperforming | $	(808)	(639)
Paid in full | $	(581)	(1,556)
Principal paydowns | $	(170)	(224)
Ending balance | $	$ 4,679	$ 5,325