Earnings Per Share (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Basic Net Income per Common Share Available to Common Stockholders [Abstract]
Net income	$ 9,999,000	$ 13,316,000
Weighted average common shares outstanding	16,693,183	16,665,999
Basic earnings per common share	$ 0.60	$ 0.80
Diluted Net Income per Common Share Available to Common Stockholders [Abstract]
Net income applicable to diluted earnings per share	$ 9,999,000	$ 13,316,000
Weighted average common shares outstanding	16,693,183	16,665,999
Dilutive potential common shares [Abstract]
Restricted stock awarded	46,908	38,780
Dilutive potential common shares	46,908	38,780
Diluted weighted average common shares outstanding	16,740,091	16,704,779
Diluted net income per common share available to common stockholders	$ 0.60	$ 0.80