Earnings Per Share (Details) - $ / shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Shares [Abstract]
Basic earnings per share (in shares)	3,778,895	3,768,197
Effect of dilutive stock awards (in shares)	10,015	8,917
Diluted earnings per share (in shares)	3,788,910	3,777,114
Per Share Amount [Abstract]
Earnings per share, basic	$ 0.43	$ 0.42
Earnings per share, diluted	$ 0.43	$ 0.42