Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Numerator [Abstract]
Net income		$ 6,105	$ 5,036	$ 11,209	$ 10,087
Denominator [Abstract]
Weighted-average shares outstanding for basic earnings per share (in shares)		9,050,606	9,232,509	9,050,295	9,598,232
Dilutive effect of stock compensation (in shares)	[1]	23,802	0	16,502	0
Denominator for diluted earnings per share (in shares)		9,074,408	9,232,509	9,066,797	9,598,232
Earnings per common share [Abstract]
Basic (in dollars per share)		$ 0.67	$ 0.54	$ 1.24	$ 1.05
Diluted (in dollars per share)		$ 0.67	$ 0.54	$ 1.24	$ 1.05
Nonqualified Stock Options [Member]
Antidilutive securities [Abstract]
Antidilutive shares excluded from the calculation of earnings per share (in shares)				265,750	186,500
Restricted Stock Units [Member]
Antidilutive securities [Abstract]
Antidilutive shares excluded from the calculation of earnings per share (in shares)			135,000	27,000	135,000

[1] The following have not been included in diluted earnings per share because to do so would have been antidilutive for the periods presented: Nonqualified stock options outstanding of 265,750 and 186,500 as of June 30, 2021 and 2020, respectively; Restricted stock units of 27,000 for the six months ended June 30, 2021 and 135,000 for the three and six month periods ended June 30, 2020.