Earnings Per Share (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Shares [Abstract]
Basic earnings per share (in shares)	3,784,934	3,773,739	3,781,931	3,770,983
Effect of dilutive stock awards (in shares)	9,032	10,833	9,524	9,875
Diluted earnings per share (in shares)	3,793,966	3,784,572	3,791,455	3,780,858
Per Share Amount [Abstract]
Earnings per share, basic	$ 0.41	$ 0.44	$ 0.84	$ 0.86
Earnings per share, diluted	$ 0.41	$ 0.44	$ 0.84	$ 0.86