Earnings Per Share - Components of Basic and Diluted Net Income Per Common Share (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Basic Net Income per Common Share Available to Common Stockholders:
Net income	$ 16,616,000	$ 4,109,000
Weighted average common shares outstanding	19,295,860	17,299,927
Basic earnings per common share	$ 0.86	$ 0.24
Diluted Net Income per Common Share Available to Common Stockholders:
Net income applicable to diluted earnings per share	$ 16,616,000	$ 4,109,000
Weighted average common shares outstanding	19,295,860	17,299,927
Dilutive potential common shares: restricted stock awarded	62,597	53,020
Diluted weighted average common shares outstanding	19,358,457	17,352,947
Diluted earnings per common share	$ 0.86	$ 0.24