Income Tax (Components of Deferred Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Assets
Allowance for loan losses	$ 3,278	$ 4,999
Deferred compensation	2,142	3,174
Business tax and AMT credit carryovers	3,434	4,100
Net operating loss carryover	1,161	1,496
Goodwill impairment	903	1,780
Purchase accounting adjustments	624	1,010
Other-than-temporary-impairment, available for sale securities		37
Unrealized loss on securities available for sale		776
Other	457	857
Total assets	11,999	18,229
Liabilities
Unrealized gain on securities available for sale	(153)
Depreciation and amortization	(382)	(504)
FHLB stock	(253)	(385)
State income tax	(331)	(551)
Loan fees	(257)	(355)
Investments in limited partnerships	(1,402)	(2,072)
Mortgage servicing rights	(402)	(564)
Other	(882)	(972)
Total liabilities	(4,062)	(5,403)
Valuation Allowance
Beginning balance	(789)	(1,220)
Decrease during period	382	431
Ending balance	(407)	(789)
Net deferred tax asset	$ 7,530	$ 12,037