Earnings Per Share - Components of Basic and Diluted Net Income Per Common Share (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Basic Net Income per Common Share Available to Common Stockholders:
Net income	$ 19,180,000	$ 16,616,000
Weighted average common shares outstanding	20,492,254	19,295,860
Basic earnings per common share	$ 0.94	$ 0.86
Diluted Net Income per Common Share Available to Common Stockholders:
Net income applicable to diluted earnings per share	$ 19,180,000	$ 16,616,000
Weighted average common shares outstanding	20,492,254	19,295,860
Dilutive potential common shares: restricted stock awarded	71,718	62,597
Diluted weighted average common shares outstanding	20,563,972	19,358,457
Diluted earnings per common share	$ 0.93	$ 0.86