Condensed Financial Information - Parent Company Only (Schedule of Condensed Cash Flows Statement) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash Flows from Operating Activities
Net income	$ 1,355	$ 3,289	$ 798	$ 1,455	$ 2,434	$ 1,385	$ 1,958	$ 1,363	$ 6,897	$ 7,140	$ 7,158
(Recovery of) Provision for loan losses									(227)	350	0
Adjustments to reconcile net income to net cash provided by operating activities
(Gain) on the sale of securities									(124)	(990)	(465)
Gain on redemption of trust preferred capital notes									(2,424)	0	0
Loss on derecognition of cash flow hedge									237
Fair value adjustment on derivative contract									(88)
(Discount accretion) premium amortization on securities									210	97	120
Changes in assets and liabilities:
Decrease (increase) in other assets									2,085	(451)	(1,392)
Increase in other liabilities									(1,521)	(179)	183
Net cash provided by operating activities									7,164	7,259	8,193
Cash Flows from Investing Activities
Purchases of securities available for sale									(33,453)	(8,693)	(26,863)
Proceeds from the sale of securities available for sale									3,653	8,546	3,987
Proceeds from maturities of securities available for sale									17,368	10,864	18,415
Net (increase) in loans									(26,317)	(26,937)	(27,290)
Net cash (used in) investing activities									(38,739)	(19,176)	(31,465)
Cash Flows from Financing Activities
Redemption of trust preferred capital notes									(4,793)
Cash dividends paid									(2,064)	(1,944)	(1,909)
Issuance of common stock, employee benefit plan									187	202	179
Stock options exercised									0	0	69
Net cash provided by (used in) financing activities									20,232	32,238	(11,175)
Increase in cash									(11,343)	20,321	(34,447)
Cash and Cash Equivalents
Beginning				34,564				14,243	34,564	14,243	48,690
Ending	23,221				34,564				23,221	34,564	14,243
Parent Company [Member]
Cash Flows from Operating Activities
Net income									6,897	7,140	7,158
(Recovery of) Provision for loan losses									23
Adjustments to reconcile net income to net cash provided by operating activities
(Gain) on the sale of securities									(27)	(283)	0
Gain on redemption of trust preferred capital notes									(2,424)	0	0
Loss on derecognition of cash flow hedge									237
Fair value adjustment on derivative contract									(88)
Stock-based compensation expense									328	290	305
(Discount accretion) premium amortization on securities									0	0	(1)
Undistributed earnings of subsidiary bank									896	(5,630)	(7,423)
Changes in assets and liabilities:
Decrease (increase) in other assets									294	(10)	138
Increase in other liabilities									814	1	1
Net cash provided by operating activities									6,950	1,508	178
Cash Flows from Investing Activities
Purchases of securities available for sale									0	(761)	(1,044)
Proceeds from the sale of securities available for sale									1,009	1,865
Proceeds from maturities of securities available for sale									385	405	1,458
Net (increase) in loans									(2,963)
Net cash (used in) investing activities									(1,569)	1,509	414
Cash Flows from Financing Activities
Redemption of trust preferred capital notes									(4,793)
Cash dividends paid									(2,064)	(1,944)	(1,909)
Issuance of common stock, employee benefit plan									187	202	179
Stock options exercised									0	0	69
Net cash provided by (used in) financing activities									(6,670)	(1,742)	(1,661)
Increase in cash									(1,289)	1,275	(1,069)
Cash and Cash Equivalents
Beginning				$ 2,198				$ 923	2,198	923	1,992
Ending	$ 909				$ 2,198				$ 909	$ 2,198	$ 923