Earnings Per Share	9 Months Ended
	Dec. 31, 2020
Earnings Per Share [Abstract]
2. Earnings Per Share	Our earnings per share is calculated by dividing our earnings available to common stockholders by the weighted average common shares outstanding, basic and diluted. The weighted average common shares outstanding exclude post-1992 shares of the employee stock ownership plan that have not been committed to be released. As of December 31, 2020 and 2019, all of these shares have been released.