Earnings Per Share - Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Basic earnings per share computation:
Net income available to common stockholders	$ 2,732	$ 4,731
Average common shares outstanding - basic (in shares)	14,395,103	13,942,016
Basic earnings per share (in dollars per share)	$ 0.19	$ 0.34
Diluted earnings per share computation:
Stock options and restricted stock (in shares)	84,568	76,147
Average common shares outstanding - diluted (in shares)	14,479,671	14,018,163
Diluted earnings per common share (in dollars per share)	$ 0.19	$ 0.34