Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	$ 153	$ 149	$ 303	$ 303
Income on BOLI	159	130	273	260
Net gains on sales of loans	984	1,018	2,133	2,607
Loan servicing fees	158	145	308	283
Net gains (losses) on sales and calls of securities	6	(2)	12	104
Gain from bargain purchase	184	0	184	0
Other income	177	197	211	354
Total non-interest income	2,043	1,766	3,928	4,179
Service Charges on Deposits, Overdraft fees [Member]
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	82	71	161	151
Service Charges on Deposits, Other [Member]
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	71	78	142	152
Interchange income [Member]
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	108	64	175	139
Other income - in scope [Member]
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	$ 114	$ 65	$ 329	$ 129