Condensed Financial Information (Parent Company Only) - Condensed Statements of Cash Flows (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
Operating Activities
Net income	$ 2,278	$ 2,323	$ 2,265	$ 2,063	$ 1,465	$ 1,282	$ 977	$ 600	$ 8,929	$ 4,324	$ 4,593
Depreciation and amortization									1,942	1,904	2,257
Share-based compensation expense									762	507	514
Net change in other assets									(1,227)	2,035	(2,404)
Net change in other liabilities									858	1,189	(36)
Investing Activities
Purchase of premises and equipment									(2,543)	(915)	(7,187)
Financing Activities
Cash dividends paid									(1,093)	(1,080)	(450)
Net proceeds from issuance of subordinated debt and related warrants									9,761	0	3,000
Net proceeds from common stock issuance									0	0	29,101
Other, net									23	(111)	0
Net (Decrease) Increase in Cash and Cash Equivalents									(3,137)	(25,401)	21,177
Cash and Cash Equivalents, Beginning of Year				28,289				53,690	28,289	53,690	32,513
Cash and Cash Equivalents, End of Year	25,152				28,289				25,152	28,289	53,690
Parent Company
Operating Activities
Net income									8,929	4,324	4,593
Equity in undistributed net income of subsidiaries									(10,488)	(5,586)	(5,301)
Depreciation and amortization									246	226	161
Share-based compensation expense									150	120	127
Net change in other assets									958	(641)	(433)
Net change in other liabilities									(275)	(19)	44
Net cash used in operating activities									(480)	(1,576)	(809)
Investing Activities
Capital contribution to the Bank									(10,000)	(5,000)	(13,000)
Purchase of premises and equipment									(1,407)	(160)	(4,641)
Net cash used in investing activities									(11,407)	(5,160)	(17,641)
Financing Activities
Cash dividends paid									(1,093)	(1,080)	(450)
Net proceeds from issuance of subordinated debt and related warrants									9,761	0	3,000
Proceeds from loan from the Bank									0	0	4,000
Net proceeds from common stock issuance									0	0	29,101
Other, net									23	(111)	0
Net cash provided by (used in) financing activities									8,691	(1,191)	35,651
Net (Decrease) Increase in Cash and Cash Equivalents									(3,196)	(7,927)	17,201
Cash and Cash Equivalents, Beginning of Year				$ 10,056				$ 17,983	10,056	17,983	782
Cash and Cash Equivalents, End of Year	$ 6,860				$ 10,056				$ 6,860	$ 10,056	$ 17,983