Stockholders' Equity	6 Months Ended
	Sep. 30, 2021
Stockholders' Equity [Abstract]
7. Stockholders' Equity	7. Stockholders’ Equity The following table lists the dividends that have been declared and issued for fiscal year 2022:   Common Stock Dividends Declared Date   Per Share Amount   Record Date   Dividend Date               June 9, 2021 $ 0.50   June 24, 2021   July 8, 2021 August 19, 2021 $ 0.50   September 7, 2021   September 21, 2021 October 6, 2021 $ 0.50   October 18, 2021   October 29, 2021   As of September 30, 2021, no awards had been issued under the 2016 AMERCO Stock Option Plan.