Consolidated Statements Of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Deferred Compensation Obligation Under Rabbi Trust	Retained Earnings	Accumulated Other Comprehensive Income	Stock Held by Rabbi Trust
Beginning balance at Dec. 31, 2016	$ 60,072	$ 36,538	$ 1,383	$ 23,291	$ 243	$ (1,383)
Beginning balance (in shares) at Dec. 31, 2016		4,741,068
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,215			3,215
Other comprehensive income (loss)	797				797
Funding of Supplemental Director Retirement Plan	0		(31)			31
Net proceeds of capital raise	28,313	$ 28,313
Net proceeds of capital raise (shares)		1,249,999
Restricted stock granted (in shares)		53,170
Restricted stock forfeited (in shares)		(3,235)
Compensation expense related to stock option and restricted stock grants	348	$ 348
Dividends declared on common stock ($0.10 and $0.135 per share as of June 30, 2017 and 2018, respectively)	(478)			(478)
Ending balance at Jun. 30, 2017	92,267	$ 65,199	1,352	26,028	1,040	(1,352)
Ending balance (in shares) at Jun. 30, 2017		6,041,002
Beginning balance at Dec. 31, 2017	$ 94,193	$ 65,274	1,399	27,532	1,387	(1,399)
Beginning balance (in shares) at Dec. 31, 2017	6,040,564	6,040,564
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 4,300			4,300
Other comprehensive income (loss)	(827)				(827)
Shares issued in merger	51,883	$ 51,883
Shares issued in merger (shares)		1,873,028
Funding of Supplemental Director Retirement Plan	0		183			(183)
Restricted stock granted (in shares)		20,169
Restricted stock forfeited (in shares)		(4,148)
Compensation expense related to stock option and restricted stock grants	343	$ 343
Dividends declared on common stock ($0.10 and $0.135 per share as of June 30, 2017 and 2018, respectively)	(1,069)			(1,069)
Ending balance at Jun. 30, 2018	$ 148,823	$ 117,500	$ 1,582	$ 30,763	$ 560	$ (1,582)
Ending balance (in shares) at Jun. 30, 2018	7,929,613	7,929,613