Stockholders' Equity	9 Months Ended
	Dec. 31, 2022
Stockholders' Equity [Abstract]
7. Stockholders' Equity	7. Stockholders’ Equity The following tables list the dividends that have been declared and issued during the first nine months of fiscal 2023 on our Voting and Non-Voting Common Stocks: Voting Common Stock Dividends Declared Date   Per Share Amount   Record Date   Dividend Date               April 6, 2022 $ 0.50   April 18, 2022   April 29, 2022 August 18, 2022 $ 0.50   September 6, 2022   September 20, 2022 Non-Voting Common Stock Dividends Declared Date   Per Share Amount   Record Date   Dividend Date               December 7, 2022 $ 0.04   December 19, 2022   December 30, 2022   As of December 31, 2022, no awards had been issued under the 2016 AMERCO Stock Option Plan. Background of the Independent Special Committee The Board of Directors of the Company (the “Board”) created an Independent Special Committee (the “Committee”) to consider various matters and actions. The Committee retained outside advisors to help examine multiple options aimed at enhancing the marketability and liquidity of the Company’s stock. The Committee paid particular attention to actions intended to make stock ownership more inclusive and accessible for retail investors, including team members and customers of the Company. The Committee approved the following actions. Creation of the Series N Non-Voting Common Stock Effective October 24, 2022, the Company created a new series of common stock, designated as Non-Voting Common Stock. The Non-Voting Common Stock has a par value of $ 0.001 per share, 250,000,000 shares authorized and trades on the New York Stock Exchange (“NYSE”) under the ticker symbol “UHAL.B”.   Shares of the Company’s Voting Common Stock also trade on the NYSE under the ticker symbol ”UHAL.” 9-for-1 Stock Dividend Involving Non-Voting Common Stock On October 24, 2022, the Company issued shares of the Non-Voting Common Stock through a stock dividend, on a 9-for-1 basis, to then-existing holders of the Company’s Voting Common Stock. The shares of Non-Voting Common Stock were distributed after the close of trading on November 9, 2022, to stockholders of record of Voting Common Stock at the close of business on November 3, 2022. Trading of the 176,470,092 shares of Non-Voting Common Stock began on November 10, 2022. Dividend Policy for Non-Voting Common Stock In response to the Committee’s recommendation to consider a dividend policy, the Board adopted a dividend policy for the new Non-Voting Common Stock. Unless the Board in its sole discretion determines otherwise, it shall be the policy of the Company to declare and pay a quarterly cash dividend on each share of the Company’s Non-Voting Common Stock, in the amount of $ 0.04 per share. This policy commenced in the third quarter of fiscal year 2023. On December 19, 2022, the Company transferred the listings of both UHAL and UHAL.B to the NYSE from the NASDAQ Global Select Market.