Schedule I - Condensed Financial Information of Amerco	12 Months Ended
	Mar. 31, 2021
Disclosure Text Block [Abstract]
Condensed Financial Information of Parent Company Only Disclosure [Text Block]	SCHEDULE   I CONDENSED FINANCIAL INFORMATION OF AMERCO BALANCE SHEETS     March 31,     2021   2020     (In thousands) ASSETS Cash and cash equivalents $ 751,053 $ 294,528 Investment in subsidiaries   3,284,760   2,758,509 Related party assets   1,535,355   1,734,358 Other assets   413,167   502,064 Total assets $ 5,984,335 $ 5,289,459           LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities:         Other liabilities $ 1,136,742 $ 1,068,291     1,136,742   1,068,291 Stockholders' equity:         Preferred stock   -   - Common stock   10,497   10,497 Additional paid-in capital   454,029   454,029 Accumulated other comprehensive income (loss)   102,568   35,100 Retained earnings:         Beginning of period   4,399,192   3,976,752 Adjustment for adoption of Topic 326   (2,880)   - Net earnings   610,856   442,048 Dividends   (49,019)   (19,608) End of period   4,958,149   4,399,192           Cost of common shares in treasury   (525,653)   (525,653) Cost of preferred shares in treasury   (151,997)   (151,997) Total stockholders' equity   4,847,593   4,221,168 Total liabilities and stockholders' equity $ 5,984,335 $ 5,289,459 The accompanying notes are an integral part of these condensed financial statements. F- 64     CONDENSED FINANCIAL INFORMATION OF AMERCO STATEMENTS OF OPERATIONS     Years Ended March 31,     2021   2020   2019     (In thousands, except share and per share data) Revenues:             Net interest income and other revenues $ 720 $ 6,586 $ 8,601 Expenses:             Operating expenses   6,753   10,622   8,840 Other expenses   115   96   93 Total expenses   6,868   10,718   8,933 Equity in earnings of subsidiaries   508,632   205,940   279,589 Interest income   135,673   130,670   112,649 Pretax earnings   638,157   332,478   391,906 Income tax benfefit (expense)   (27,301)   109,570   (21,049) Earnings available to common shareholders $ 610,856 $ 442,048 $ 370,857 Basic and diluted earnings per common share $ 31.15 $ 22.55 $ 18.93 Weighted average common shares outstanding: Basic and diluted   19,607,788   19,603,708   19,592,048 The accompanying notes are an integral part of these condensed financial statements.   CONDENSED FINANCIAL INFORMATION OF AMERCO STATEMENTS OF comprehensive income     Years Ended March 31,     2021   2020   2019     (In thousands)               Net earnings $ 610,856 $ 442,048 $ 370,857 Other comprehensive income (loss)   72,205   101,350   (62,075) Total comprehensive income $ 683,061 $ 543,398 $ 308,782 The accompanying notes are an integral part of these condensed financial statements.   F- 65     CONDENSED FINANCIAL INFORMATION OF AMERCO STATEMENTS OF CASH FLOW     Years Ended March 31,     2021   2020   2019     (In thousands) Cash flows from operating activities:             Net earnings $ 610,856 $ 442,048 $ 370,857 Change in investments in subsidiaries   (508,632)   (205,940)   (279,589) Adjustments to reconcile net earnings to cash provided by operations:             Depreciation   1   1   1 Amortization of debt issuance costs   924   -   - Deferred income taxes   72,407   323,980   112,434 Net change in other operating assets and liabilities:             Prepaid expenses   88,898   (381,190)   (6,289) Other assets   -   22   (40) Related party assets   (12,000)   -   - Accounts payable and accrued expenses   (4,019)   1,935   2,260 Net cash provided by operating activities   248,435   180,856   199,634               Cash flows from investing activities:             Purchases of property, plant and equipment   (3)   -   (1) Proceeds of property, plant and equipment   -   -   - Net cash used by investing activities   (3)   -   (1)               Cash flows from financing activities:             Borrowings from credit facilities   200,000   -   - Principal repayments on credit facilities   (200,000)   -   - Debt issuance costs   (924)   -   - Proceeds from (repayments) of intercompany loans   211,064   (311,534)   (196,382) Common stock dividends paid   (49,019)   (29,404)   (39,179) Net contribution from related party   41,199   21,600   - Net cash provided (used) by financing activities   202,320   (319,338)   (235,561)               Effects of exchange rate on cash   5,773   4,060   (4,331) Increase (decrease) in cash and cash equivalents   456,525   (134,422)   (40,259) Cash and cash equivalents at beginning of period   294,528   428,950   469,209 Cash and cash equivalents at end of period $ 751,053 $ 294,528 $ 428,950 Income taxes paid, net of income taxes refunds received, amounted to $29.0 million, $6.9 million and $4.3 million for fiscal 2021, 2020 and 2019, respectively. The accompanying notes are an integral part of these condensed financial statements. F- 66