CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands		Total	Cumulative Effect, Period of Adoption, Adjustment	[1]	Common Stock	Surplus	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	[1]	Accumulated Other Comprehensive Income (Loss)
Beginning of Period at Dec. 31, 2017		$ 172,729	$ (5)		$ 9,515	$ 131,582	$ 33,203	$ (5)		$ (1,571)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Surrendered shares		(219)			(9)	(210)
Shares repurchased		(3,368)			(132)	(3,236)
Options and warrants exercised		1,036			76	960
Dividends declared		(1,640)					(1,640)
Stock-based compensation		1,071			34	1,037
Reclassification of tax effects of the Tax Cuts and Jobs Act	[2]	557					557
Net income		13,606					13,606
Other comprehensive income (loss), net		(1,505)								(1,505)
End of Period at Dec. 31, 2018		182,262			9,484	130,133	45,721			(3,076)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued in offering, net of direct costs of $1,475		28,525			1,290	27,235
Common stock issued in acquisition, net of issuance costs		18,637			764	17,873
Stock issuance costs		(1,475)
Surrendered shares		(283)			(11)	(272)
Shares repurchased		(8,326)			(360)	(7,966)
Options and warrants exercised		287			21	266
Dividends declared		(2,362)					(2,362)
Stock-based compensation		1,430			41	1,389
Net income		16,839					16,839
Other comprehensive income (loss), net		4,967								4,967
End of Period at Dec. 31, 2019		241,976			11,229	168,658	60,198			1,891
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issuance costs		(57)				(57)
Surrendered shares		(314)			(15)	(299)
Shares repurchased		(11,112)			(662)	(10,450)
Options and warrants exercised		46			3	43
Dividends declared		(2,702)					(2,702)
Stock-based compensation		1,644			54	1,590
Net income		13,889					13,889
Other comprehensive income (loss), net		(86)								(86)
End of Period at Dec. 31, 2020		$ 243,284			$ 10,609	$ 159,485	$ 71,385			$ 1,805

[1] Represents the impact of adopting ASU No. 2016-01.

[2] The $0.6 million adjustment to retained earnings for the period ended December 31, 2018 represents a reclassification of the tax effects of the Tax Cuts and Jobs Act (“TCJA”), enacted on December 22, 2017, which required the revaluation of the Company’s deferred tax assets and liabilities as of December 31, 2017 as a result of the lower corporate tax rates to be realized beginning January 1, 2018.