Schedule I - Condensed Financial Information of Amerco	12 Months Ended
Mar. 31, 2022
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, 2022 2021 (In thousands) ASSETS Cash and cash equivalents $ 2,085,447 $ 751,053 Investment in subsidiaries 4,240,811 3,284,760 Related party assets 1,821,654 1,535,355 Other assets 178,691 413,167 Total assets $ 8,326,603 $ 5,984,335 LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities: Other liabilities $ 2,442,517 $ 1,136,742 2,442,517 1,136,742 Stockholders' equity: Preferred stock – – Common stock 10,497 10,497 Additional paid-in capital 454,029 454,029 Accumulated other comprehensive income (loss) 45,187 102,568 Retained earnings: Beginning of period 4,958,149 4,399,192 Adjustment for adoption of Topic 326 – (2,880) Net earnings 1,123,286 610,856 Dividends (29,412) (49,019) End of period 6,052,023 4,958,149 Cost of common shares in treasury (525,653) (525,653) Cost of preferred shares in treasury (151,997) (151,997) Total stockholders' equity 5,884,086 4,847,593 Total liabilities and stockholders' equity $ 8,326,603 $ 5,984,335 The accompanying notes are an integral part of these condensed financial statements. CONDENSED FINANCIAL INFORMATION OF AMERCO STATEMENTS OF OPERATIONS Years Ended March 31, 2022 2021 2020 (In thousands, except share and per share data) Revenues: Net interest income and other revenues $ 1,516 $ 720 $ 6,586 Expenses: Operating expenses 5,517 6,753 10,622 Other expenses 115 115 96 Total expenses 5,632 6,868 10,718 Equity in earnings of subsidiaries 1,011,841 508,632 205,940 Interest income 131,400 135,673 130,670 Pretax earnings 1,139,125 638,157 332,478 Income tax benfefit (expense) (15,839) (27,301) 109,570 Earnings available to common shareholders $ 1,123,286 $ 610,856 $ 442,048 Basic and diluted earnings per common share $ 57.29 $ 31.15 $ 22.55 Weighted average common shares outstanding: Basic and diluted 19,607,788 19,607,788 19,603,708 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, 2022 2021 2020 (In thousands) Net earnings $ 1,123,286 $ 610,856 $ 442,048 Other comprehensive income (loss) (60,473) 72,205 101,350 Total comprehensive income $ 1,062,813 $ 683,061 $ 543,398 The accompanying notes are an integral part of these condensed financial statements. CONDENSED FINANCIAL INFORMATION OF AMERCO STATEMENTS OF CASH FLOW Years Ended March 31, 2022 2021 2020 (In thousands) Cash flows from operating activities: Net earnings $ 1,123,286 $ 610,856 $ 442,048 Change in investments in subsidiaries (1,011,841) (508,632) (205,940) Adjustments to reconcile net earnings to cash provided by operations: Depreciation 1 1 1 Amortization of debt issuance costs 292 924 – Deferred income taxes 106,869 72,407 323,980 Net change in other operating assets and liabilities: Prepaid expenses 234,490 88,898 (381,190) Other assets (4) – 22 Related party assets (240) (12,000) – Accounts payable and accrued expenses 5,461 (4,019) 1,935 Net cash provided by operating activities 458,314 248,435 180,856 Cash flows from investing activities: Purchases of property, plant and equipment (11) (3) – Proceeds of property, plant and equipment – – – Net cash used by investing activities (11) (3) – Cash flows from financing activities: Borrowings from credit facilities 1,200,000 200,000 – Principal repayments on credit facilities – (200,000) – Debt issuance costs (8,468) (924) – Proceeds from (repayments) of intercompany loans (284,438) 211,064 (311,534) Common stock dividends paid (29,412) (49,019) (29,404) Net contribution from related party – 41,199 21,600 Net cash provided (used) by financing activities 877,682 202,320 (319,338) Effects of exchange rate on cash (1,591) 5,773 4,060 Increase (decrease) in cash and cash equivalents 1,334,394 456,525 (134,422) Cash and cash equivalents at beginning of period 751,053 294,528 428,950 Cash and cash equivalents at end of period $ 2,085,447 $ 751,053 $ 294,528 Income taxes paid (received), net of income taxes refunds received, amounted to ($4.5) million, $29.0 million and $6.9 million for fiscal 2022, 2021 and 2020, respectively. The accompanying notes are an integral part of these condensed financial statements.

Schedule I - Condensed Financial Information of Amerco

12 Months Ended

Mar. 31, 2022

Condensed Financial Information of Parent Company Only Disclosure [Text Block]

SCHEDULE I CONDENSED FINANCIAL INFORMATION OF AMERCO BALANCE SHEETS March 31, 2022 2021 (In thousands) ASSETS Cash and cash equivalents $ 2,085,447 $ 751,053 Investment in subsidiaries 4,240,811 3,284,760 Related party assets 1,821,654 1,535,355 Other assets 178,691 413,167 Total assets $ 8,326,603 $ 5,984,335 LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities: Other liabilities $ 2,442,517 $ 1,136,742 2,442,517 1,136,742 Stockholders' equity: Preferred stock – – Common stock 10,497 10,497 Additional paid-in capital 454,029 454,029 Accumulated other comprehensive income (loss) 45,187 102,568 Retained earnings: Beginning of period 4,958,149 4,399,192 Adjustment for adoption of Topic 326 – (2,880) Net earnings 1,123,286 610,856 Dividends (29,412) (49,019) End of period 6,052,023 4,958,149 Cost of common shares in treasury (525,653) (525,653) Cost of preferred shares in treasury (151,997) (151,997) Total stockholders' equity 5,884,086 4,847,593 Total liabilities and stockholders' equity $ 8,326,603 $ 5,984,335 The accompanying notes are an integral part of these condensed financial statements. CONDENSED FINANCIAL INFORMATION OF AMERCO STATEMENTS OF OPERATIONS Years Ended March 31, 2022 2021 2020 (In thousands, except share and per share data) Revenues: Net interest income and other revenues $ 1,516 $ 720 $ 6,586 Expenses: Operating expenses 5,517 6,753 10,622 Other expenses 115 115 96 Total expenses 5,632 6,868 10,718 Equity in earnings of subsidiaries 1,011,841 508,632 205,940 Interest income 131,400 135,673 130,670 Pretax earnings 1,139,125 638,157 332,478 Income tax benfefit (expense) (15,839) (27,301) 109,570 Earnings available to common shareholders $ 1,123,286 $ 610,856 $ 442,048 Basic and diluted earnings per common share $ 57.29 $ 31.15 $ 22.55 Weighted average common shares outstanding: Basic and diluted 19,607,788 19,607,788 19,603,708 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, 2022 2021 2020 (In thousands) Net earnings $ 1,123,286 $ 610,856 $ 442,048 Other comprehensive income (loss) (60,473) 72,205 101,350 Total comprehensive income $ 1,062,813 $ 683,061 $ 543,398 The accompanying notes are an integral part of these condensed financial statements. CONDENSED FINANCIAL INFORMATION OF AMERCO STATEMENTS OF CASH FLOW Years Ended March 31, 2022 2021 2020 (In thousands) Cash flows from operating activities: Net earnings $ 1,123,286 $ 610,856 $ 442,048 Change in investments in subsidiaries (1,011,841) (508,632) (205,940) Adjustments to reconcile net earnings to cash provided by operations: Depreciation 1 1 1 Amortization of debt issuance costs 292 924 – Deferred income taxes 106,869 72,407 323,980 Net change in other operating assets and liabilities: Prepaid expenses 234,490 88,898 (381,190) Other assets (4) – 22 Related party assets (240) (12,000) – Accounts payable and accrued expenses 5,461 (4,019) 1,935 Net cash provided by operating activities 458,314 248,435 180,856 Cash flows from investing activities: Purchases of property, plant and equipment (11) (3) – Proceeds of property, plant and equipment – – – Net cash used by investing activities (11) (3) – Cash flows from financing activities: Borrowings from credit facilities 1,200,000 200,000 – Principal repayments on credit facilities – (200,000) – Debt issuance costs (8,468) (924) – Proceeds from (repayments) of intercompany loans (284,438) 211,064 (311,534) Common stock dividends paid (29,412) (49,019) (29,404) Net contribution from related party – 41,199 21,600 Net cash provided (used) by financing activities 877,682 202,320 (319,338) Effects of exchange rate on cash (1,591) 5,773 4,060 Increase (decrease) in cash and cash equivalents 1,334,394 456,525 (134,422) Cash and cash equivalents at beginning of period 751,053 294,528 428,950 Cash and cash equivalents at end of period $ 2,085,447 $ 751,053 $ 294,528 Income taxes paid (received), net of income taxes refunds received, amounted to ($4.5) million, $29.0 million and $6.9 million for fiscal 2022, 2021 and 2020, respectively. The accompanying notes are an integral part of these condensed financial statements.