3. Loans (Details 1) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Impaired loans without a valuation allowance
Recorded Investment	$ 7,739		$ 7,739		$ 13,877
Unpaid Principal Balance	7,739		7,739		15,141
Related Allowance	0		0		0
Average Recorded Investment	7,510	$ 8,822	9,925	$ 8,227
Interest Income Recognized	179	34	341	111
Impaired loans with a valuation allowance
Recorded Investment	13,346		13,346		6,233
Unpaid Principal Balance	13,906		13,906		6,233
Related Allowance	3,745		3,745		1,882
Average Recorded Investment	14,407	6,893	12,052	7,470
Interest Income Recognized	49	86	324	258
Total impaired loans
Recorded Investment	21,085		21,085		20,110
Unpaid Principal Balance	21,645		21,645		21,374
Related Allowance	3,745		3,745		1,882
Average Recorded Investment	21,917	15,715	21,977	15,697
Interest Income Recognized	228	120	665	369
Construction/Land Development [Member]
Impaired loans without a valuation allowance
Recorded Investment	2,972		2,972		4,352
Unpaid Principal Balance	2,972		2,972		5,269
Related Allowance	0		0		0
Average Recorded Investment	3,725	5,414	4,440	4,870
Interest Income Recognized	47	14	126	64
Impaired loans with a valuation allowance
Recorded Investment	6,826		6,826		4,998
Unpaid Principal Balance	7,386		7,386		4,998
Related Allowance	2,182		2,182		1,661
Average Recorded Investment	7,425	5,640	6,664	6,215
Interest Income Recognized	(125)	75	(27)	215
Farmland [Member]
Impaired loans without a valuation allowance
Recorded Investment	1,941		1,941		1,984
Unpaid Principal Balance	1,941		1,941		1,984
Related Allowance	0		0		0
Average Recorded Investment	1,962	1,921	1,973	1,900
Interest Income Recognized	80	0	142	0
Impaired loans with a valuation allowance
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment	0	0	0	0
Interest Income Recognized	0	0	0	0
Real Estate [Member]
Impaired loans without a valuation allowance
Recorded Investment	1,366		1,366		1,273
Unpaid Principal Balance	1,366		1,366		1,273
Related Allowance	0		0		0
Average Recorded Investment	930	743	1,078	746
Interest Income Recognized	17	8	28	25
Impaired loans with a valuation allowance
Recorded Investment	426		426		1,188
Unpaid Principal Balance	426		426		1,188
Related Allowance	7		7		209
Average Recorded Investment	866	1,194	1,045	1,196
Interest Income Recognized	(17)	10	10	41
Multi-Family [Member]
Impaired loans without a valuation allowance
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment	0	0	0	0
Interest Income Recognized	0	0	0	0
Impaired loans with a valuation allowance
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment	0	0	0	0
Interest Income Recognized	0	0	0	0
Commercial Real Estate [Member]
Impaired loans without a valuation allowance
Recorded Investment	1,444		1,444		6,229
Unpaid Principal Balance	1,444		1,444		6,229
Related Allowance	0		0		0
Average Recorded Investment	868	200	2,317	167
Interest Income Recognized	44	9	53	12
Impaired loans with a valuation allowance
Recorded Investment	5,851		5,851		0
Unpaid Principal Balance	5,851		5,851		0
Related Allowance	1,539		1,539		0
Average Recorded Investment	5,874	0	4,166	0
Interest Income Recognized	179	0	320	0
Home Equity - Closed End [Member]
Impaired loans without a valuation allowance
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment	0	0	0	0
Interest Income Recognized	0	0	0	0
Impaired loans with a valuation allowance
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment	0	0	0	0
Interest Income Recognized	0	0	0	0
Home Equity [Member]
Impaired loans without a valuation allowance
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		347
Related Allowance	0		0		0
Average Recorded Investment	0	347	87	347
Interest Income Recognized	0	0	0	0
Impaired loans with a valuation allowance
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment	0	0	0	0
Interest Income Recognized	0	0	0	0
Commercial & Industrial - Non-Real Estate [Member]
Impaired loans without a valuation allowance
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment	0	164	0	165
Interest Income Recognized	(8)	2	(8)	8
Impaired loans with a valuation allowance
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment	0	0	0	0
Interest Income Recognized	0	0	0	0
Consumer [Member]
Impaired loans without a valuation allowance
Recorded Investment	0		0		8
Unpaid Principal Balance	0		0		8
Related Allowance	0		0		0
Impaired loans with a valuation allowance
Recorded Investment	9		9		0
Unpaid Principal Balance	9		9		0
Related Allowance	2		2		0
Credit Cards [Member]
Impaired loans without a valuation allowance
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		0
Related Allowance	0		0		0
Impaired loans with a valuation allowance
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		0
Related Allowance	0		0		0
Dealer Finance [Member]
Impaired loans without a valuation allowance
Recorded Investment	16		16		31
Unpaid Principal Balance	16		16		31
Related Allowance	0		0		0
Average Recorded Investment	25	23	28	22
Interest Income Recognized	0	1	1	2
Impaired loans with a valuation allowance
Recorded Investment	234		234		47
Unpaid Principal Balance	234		234		47
Related Allowance	15		15		$ 12
Average Recorded Investment	232	59	169	59
Interest Income Recognized	11	1	19	2
Consumer and Credit Cards [Member]
Impaired loans without a valuation allowance
Average Recorded Investment	0	10	2	10
Interest Income Recognized	(1)	0	(1)	0
Impaired loans with a valuation allowance
Average Recorded Investment	10	0	8	0
Interest Income Recognized	$ 1	$ 0	$ 2	$ 0

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