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Consolidated Balance Sheet by Industry Segment (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2012 | Mar. 31, 2012 | Sep. 30, 2011 | Mar. 31, 2011
--- | --- | --- | --- | ---
ASSETS: |  |  |  |  |  |  |  |
Cash and cash equivalents | $ 645,821 |  | $ 357,180 |  | $ 455,211 |  | $ 382,514 |
Reinsurance recoverables and trade receivables, net | 264,563 |  | 297,974 |  |  |  |  |
Inventories, net | 58,659 |  | 58,735 |  |  |  |  |
Prepaid expenses | 41,444 |  | 41,858 |  |  |  |  |
Investments, fixed maturities and marketable equities | 904,446 |  | 766,792 |  |  |  |  |
Investments, other | 293,585 |  | 258,551 |  |  |  |  |
Deferred policy acquisition costs, net | 79,868 |  | 63,914 |  |  |  |  |
Other assets | 103,498 |  | 120,525 |  |  |  |  |
Related party assets | 173,505 |  | 316,157 |  |  |  |  |
Subtotal assets | 2,565,389 |  | 2,281,686 |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Land | 309,654 |  | 281,140 |  |  |  |  |
Buildings and improvements | 1,130,852 |  | 1,087,119 |  |  |  |  |
Furniture and equipment | 310,516 |  | 308,120 |  |  |  |  |
Property, plant and equipment (gross) | 4,053,359 |  | 3,787,822 |  |  |  |  |
Less: Accumulated depreciation | (1,481,784) |  | (1,415,457) |  |  |  |  |
Total property, plant and equipment | 2,571,575 |  | 2,372,365 |  |  |  |  |
Total assets | 5,136,964 |  | 4,654,051 |  | 4,403,137 |  |  |
Liabilities: |  |  |  |  |  |  |  |
Accounts payable and accrued expenses | 372,756 |  | 335,326 |  |  |  |  |
Notes, loans and leases payable | 1,556,891 |  | 1,486,211 |  |  |  |  |
Policy benefits and losses, claims and loss expenses payable | 1,128,929 |  | 1,145,943 |  |  |  |  |
Liabilities from investment contracts | 395,620 |  | 240,961 |  |  |  |  |
Other policyholders' funds and liabilities | 11,403 |  | 7,273 |  |  |  |  |
Deferred income | 30,886 |  | 31,525 |  |  |  |  |
Deferred income taxes | 404,558 |  | 370,992 |  |  |  |  |
Total liabilities | 3,901,043 |  | 3,618,231 |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Additional paid-in capital | 435,376 |  | 433,743 |  |  |  |  |
Accumulated other comprehensive loss | (35,552) |  | (45,436) |  |  |  |  |
Retained earnings | 1,505,332 |  | 1,317,064 |  |  |  |  |
Unearned employee stock ownership plan shares | (2,082) |  | (2,398) |  |  |  |  |
Total stockholders' equity | 1,235,921 |  | 1,035,820 |  |  |  |  |
Total liabilities and stockholders' equity | 5,136,964 |  | 4,654,051 |  |  |  |  |
Property and Casualty Insurance |  |  |  |  |  |  |  |
ASSETS: |  |  |  |  |  |  |  |
Cash and cash equivalents | 21,091 | [1] | 22,542 | [2] | 23,864 | [3] | 21,718 | [3]
Reinsurance recoverables and trade receivables, net | 186,512 | [1] | 231,211 | [2] |  |  |  |
Inventories, net | 0 | [1] | 0 | [2] |  |  |  |
Prepaid expenses | 0 | [1] | 0 | [2] |  |  |  |
Investments, fixed maturities and marketable equities | 121,696 | [1] | 132,270 | [2] |  |  |  |
Investments, other | 91,017 | [1] | 74,757 | [2] |  |  |  |
Deferred policy acquisition costs, net | 0 | [1] | 0 | [2] |  |  |  |
Other assets | 598 | [1] | 1,507 | [2] |  |  |  |
Related party assets | 9,210 | [1] | 7,542 | [2] |  |  |  |
Subtotal assets | 430,124 | [1] | 469,829 | [2] |  |  |  |
Investments in subsidiaries | 0 | [1] | 0 | [2] |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Land | 0 | [1] | 0 | [2] |  |  |  |
Buildings and improvements | 0 | [1] | 0 | [2] |  |  |  |
Furniture and equipment | 0 | [1] | 0 | [2] |  |  |  |
Property, plant and equipment (gross) | 0 | [1] | 0 | [2] |  |  |  |
Less: Accumulated depreciation | 0 | [1] | 0 | [2] |  |  |  |
Total property, plant and equipment | 0 | [1] | 0 | [2] |  |  |  |
Total assets | 430,124 | [1] | 469,829 | [2] |  |  |  |
Liabilities: |  |  |  |  |  |  |  |
Accounts payable and accrued expenses | 0 | [1] | 0 | [2] |  |  |  |
Notes, loans and leases payable | 0 | [1] | 0 | [2] |  |  |  |
Policy benefits and losses, claims and loss expenses payable | 335,104 | [1] | 382,939 | [2] |  |  |  |
Liabilities from investment contracts | 0 | [1] | 0 | [2] |  |  |  |
Other policyholders' funds and liabilities | 3,128 | [1] | 3,438 | [2] |  |  |  |
Deferred income | 0 | [1] | 0 | [2] |  |  |  |
Deferred income taxes | (40,316) | [1] | (41,945) | [2] |  |  |  |
Related party liabilities | 1,720 | [1] | 1,555 | [2] |  |  |  |
Total liabilities | 299,636 | [1] | 345,987 | [2] |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Common stock, value, issued | 3,301 | [1] | 3,301 | [2] |  |  |  |
Additional paid-in capital | 91,120 | [1] | 89,620 | [2] |  |  |  |
Accumulated other comprehensive loss | 4,197 | [1] | 2,255 | [2] |  |  |  |
Retained earnings | 31,870 | [1] | 28,666 | [2] |  |  |  |
Unearned employee stock ownership plan shares | 0 | [1] | 0 | [2] |  |  |  |
Total stockholders' equity | 130,488 | [1] | 123,842 | [2] |  |  |  |
Total liabilities and stockholders' equity | 430,124 | [1] | 469,829 | [2] |  |  |  |
Life Insurance |  |  |  |  |  |  |  |
ASSETS: |  |  |  |  |  |  |  |
Cash and cash equivalents | 63,617 | [1] | 25,410 | [2] | 9,922 | [3] | 37,301 | [3]
Reinsurance recoverables and trade receivables, net | 29,665 | [1] | 29,660 | [2] |  |  |  |
Inventories, net | 0 | [1] | 0 | [2] |  |  |  |
Prepaid expenses | 0 | [1] | 0 | [2] |  |  |  |
Investments, fixed maturities and marketable equities | 767,106 | [1] | 617,494 | [2] |  |  |  |
Investments, other | 124,120 | [1] | 131,461 | [2] |  |  |  |
Deferred policy acquisition costs, net | 79,868 | [1] | 63,914 | [2] |  |  |  |
Other assets | 227 | [1] | 203 | [2] |  |  |  |
Related party assets | 510 | [1] | 482 | [2] |  |  |  |
Subtotal assets | 1,065,113 | [1] | 868,624 | [2] |  |  |  |
Investments in subsidiaries | 0 | [1] | 0 | [2] |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Land | 0 | [1] | 0 | [2] |  |  |  |
Buildings and improvements | 0 | [1] | 0 | [2] |  |  |  |
Furniture and equipment | 0 | [1] | 0 | [2] |  |  |  |
Property, plant and equipment (gross) | 0 | [1] | 0 | [2] |  |  |  |
Less: Accumulated depreciation | 0 | [1] | 0 | [2] |  |  |  |
Total property, plant and equipment | 0 | [1] | 0 | [2] |  |  |  |
Total assets | 1,065,113 | [1] | 868,624 | [2] |  |  |  |
Liabilities: |  |  |  |  |  |  |  |
Accounts payable and accrued expenses | 15,032 | [1] | 10,060 | [2] |  |  |  |
Notes, loans and leases payable | 0 | [1] | 0 | [2] |  |  |  |
Policy benefits and losses, claims and loss expenses payable | 401,315 | [1] | 382,864 | [2] |  |  |  |
Liabilities from investment contracts | 395,620 | [1] | 240,961 | [2] |  |  |  |
Other policyholders' funds and liabilities | 8,275 | [1] | 3,835 | [2] |  |  |  |
Deferred income | 0 | [1] | 0 | [2] |  |  |  |
Deferred income taxes | 19,413 | [1] | 14,945 | [2] |  |  |  |
Related party liabilities | 215 | [1] | 172 | [2] |  |  |  |
Total liabilities | 839,870 | [1] | 652,837 | [2] |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Common stock, value, issued | 2,500 | [1] | 2,500 | [2] |  |  |  |
Additional paid-in capital | 26,271 | [1] | 26,271 | [2] |  |  |  |
Accumulated other comprehensive loss | 31,002 | [1] | 23,888 | [2] |  |  |  |
Retained earnings | 165,470 | [1] | 163,128 | [2] |  |  |  |
Unearned employee stock ownership plan shares | 0 | [1] | 0 | [2] |  |  |  |
Total stockholders' equity | 225,243 | [1] | 215,787 | [2] |  |  |  |
Total liabilities and stockholders' equity | 1,065,113 | [1] | 868,624 | [2] |  |  |  |
Eliminations |  |  |  |  |  |  |  |
ASSETS: |  |  |  |  |  |  |  |
Cash and cash equivalents | 0 |  | 0 |  | 0 |  | 0 |
Reinsurance recoverables and trade receivables, net | 0 |  | 0 |  |  |  |  |
Inventories, net | 0 |  | 0 |  |  |  |  |
Prepaid expenses | 0 |  | 0 |  |  |  |  |
Investments, fixed maturities and marketable equities | 0 |  | 0 |  |  |  |  |
Investments, other | 0 |  | 0 |  |  |  |  |
Deferred policy acquisition costs, net | 0 |  | 0 |  |  |  |  |
Other assets | 0 |  | 0 |  |  |  |  |
Related party assets | (11,233) | [4] | (10,057) | [4] |  |  |  |
Subtotal assets | (11,233) |  | (10,057) |  |  |  |  |
Investments in subsidiaries | (355,731) | [5] | (339,629) | [5] |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Land | 0 |  | 0 |  |  |  |  |
Buildings and improvements | 0 |  | 0 |  |  |  |  |
Furniture and equipment | 0 |  | 0 |  |  |  |  |
Property, plant and equipment (gross) | 0 |  | 0 |  |  |  |  |
Less: Accumulated depreciation | 0 |  | 0 |  |  |  |  |
Total property, plant and equipment | 0 |  | 0 |  |  |  |  |
Total assets | (366,964) |  | (349,686) |  |  |  |  |
Liabilities: |  |  |  |  |  |  |  |
Accounts payable and accrued expenses | 0 |  | 0 |  |  |  |  |
Notes, loans and leases payable | 0 |  | 0 |  |  |  |  |
Policy benefits and losses, claims and loss expenses payable | 0 |  | 0 |  |  |  |  |
Liabilities from investment contracts | 0 |  | 0 |  |  |  |  |
Other policyholders' funds and liabilities | 0 |  | 0 |  |  |  |  |
Deferred income | 0 |  | 0 |  |  |  |  |
Deferred income taxes | 0 |  | 0 |  |  |  |  |
Related party liabilities | (11,233) | [4] | (10,057) | [4] |  |  |  |
Total liabilities | (11,233) |  | (10,057) |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Common stock, value, issued | (5,801) | [5] | (5,801) | [5] |  |  |  |
Additional paid-in capital | (117,601) | [5] | (116,101) | [5] |  |  |  |
Accumulated other comprehensive loss | (35,199) | [5] | (26,143) | [5] |  |  |  |
Retained earnings | (197,130) | [5] | (191,584) | [5] |  |  |  |
Unearned employee stock ownership plan shares | 0 |  | 0 |  |  |  |  |
Total stockholders' equity | (355,731) |  | (339,629) |  |  |  |  |
Total liabilities and stockholders' equity | (366,964) |  | (349,686) |  |  |  |  |
Moving and Storage Consolidations |  |  |  |  |  |  |  |
ASSETS: |  |  |  |  |  |  |  |
Cash and cash equivalents | 561,113 |  | 309,228 |  | 421,425 |  | 323,495 |
Reinsurance recoverables and trade receivables, net | 48,386 |  | 37,103 |  |  |  |  |
Inventories, net | 58,659 |  | 58,735 |  |  |  |  |
Prepaid expenses | 41,444 |  | 41,858 |  |  |  |  |
Investments, fixed maturities and marketable equities | 15,644 |  | 17,028 |  |  |  |  |
Investments, other | 78,448 |  | 52,333 |  |  |  |  |
Deferred policy acquisition costs, net | 0 |  | 0 |  |  |  |  |
Other assets | 102,673 |  | 118,815 |  |  |  |  |
Related party assets | 175,018 |  | 318,190 |  |  |  |  |
Subtotal assets | 1,081,385 |  | 953,290 |  |  |  |  |
Investments in subsidiaries | 355,731 |  | 339,629 |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Land | 309,654 |  | 281,140 |  |  |  |  |
Buildings and improvements | 1,130,852 |  | 1,087,119 |  |  |  |  |
Furniture and equipment | 310,516 |  | 308,120 |  |  |  |  |
Property, plant and equipment (gross) | 4,053,359 |  | 3,787,822 |  |  |  |  |
Less: Accumulated depreciation | (1,481,784) |  | (1,415,457) |  |  |  |  |
Total property, plant and equipment | 2,571,575 |  | 2,372,365 |  |  |  |  |
Total assets | 4,008,691 |  | 3,665,284 |  |  |  |  |
Liabilities: |  |  |  |  |  |  |  |
Accounts payable and accrued expenses | 357,724 |  | 325,266 |  |  |  |  |
Notes, loans and leases payable | 1,556,891 |  | 1,486,211 |  |  |  |  |
Policy benefits and losses, claims and loss expenses payable | 392,510 |  | 380,140 |  |  |  |  |
Liabilities from investment contracts | 0 |  | 0 |  |  |  |  |
Other policyholders' funds and liabilities | 0 |  | 0 |  |  |  |  |
Deferred income | 30,886 |  | 31,525 |  |  |  |  |
Deferred income taxes | 425,461 |  | 397,992 |  |  |  |  |
Related party liabilities | 9,298 |  | 8,330 |  |  |  |  |
Total liabilities | 2,772,770 |  | 2,629,464 |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Common stock, value, issued | 10,497 |  | 10,497 |  |  |  |  |
Additional paid-in capital | 435,586 |  | 433,953 |  |  |  |  |
Accumulated other comprehensive loss | (35,552) |  | (45,436) |  |  |  |  |
Retained earnings | 1,505,122 |  | 1,316,854 |  |  |  |  |
Unearned employee stock ownership plan shares | (2,082) |  | (2,398) |  |  |  |  |
Total stockholders' equity | 1,235,921 |  | 1,035,820 |  |  |  |  |
Total liabilities and stockholders' equity | 4,008,691 |  | 3,665,284 |  |  |  |  |
AMERCO /NV/ |  |  |  |  |  |  |  |
ASSETS: |  |  |  |  |  |  |  |
Cash and cash equivalents | 426,748 |  | 201,502 |  | 289,563 |  | 250,104 |
Reinsurance recoverables and trade receivables, net | 0 |  | 0 |  |  |  |  |
Inventories, net | 0 |  | 0 |  |  |  |  |
Prepaid expenses | 1,938 |  | 9,496 |  |  |  |  |
Investments, fixed maturities and marketable equities | 15,644 |  | 17,028 |  |  |  |  |
Investments, other | 0 |  | 0 |  |  |  |  |
Deferred policy acquisition costs, net | 0 |  | 0 |  |  |  |  |
Other assets | 480 |  | 483 |  |  |  |  |
Related party assets | 1,038,106 |  | 1,201,385 |  |  |  |  |
Subtotal assets | 1,482,916 |  | 1,429,894 |  |  |  |  |
Investments in subsidiaries | 182,814 |  | 8,168 |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Land | 0 |  | 0 |  |  |  |  |
Buildings and improvements | 0 |  | 0 |  |  |  |  |
Furniture and equipment | 140 |  | 138 |  |  |  |  |
Property, plant and equipment (gross) | 140 |  | 138 |  |  |  |  |
Less: Accumulated depreciation | (117) |  | (115) |  |  |  |  |
Total property, plant and equipment | 23 |  | 23 |  |  |  |  |
Total assets | 1,665,753 |  | 1,438,085 |  |  |  |  |
Liabilities: |  |  |  |  |  |  |  |
Accounts payable and accrued expenses | 2,289 |  | 1,875 |  |  |  |  |
Notes, loans and leases payable | 0 |  | 0 |  |  |  |  |
Policy benefits and losses, claims and loss expenses payable | 0 |  | 0 |  |  |  |  |
Liabilities from investment contracts | 0 |  | 0 |  |  |  |  |
Other policyholders' funds and liabilities | 0 |  | 0 |  |  |  |  |
Deferred income | 0 |  | 0 |  |  |  |  |
Deferred income taxes | 425,461 |  | 397,992 |  |  |  |  |
Related party liabilities | 0 |  | 0 |  |  |  |  |
Total liabilities | 427,750 |  | 399,867 |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Common stock, value, issued | 10,497 |  | 10,497 |  |  |  |  |
Additional paid-in capital | 435,586 |  | 433,953 |  |  |  |  |
Accumulated other comprehensive loss | (35,552) |  | (45,436) |  |  |  |  |
Retained earnings | 1,505,122 |  | 1,316,854 |  |  |  |  |
Unearned employee stock ownership plan shares | 0 |  | 0 |  |  |  |  |
Total stockholders' equity | 1,238,003 |  | 1,038,218 |  |  |  |  |
Total liabilities and stockholders' equity | 1,665,753 |  | 1,438,085 |  |  |  |  |
U-Haul |  |  |  |  |  |  |  |
ASSETS: |  |  |  |  |  |  |  |
Cash and cash equivalents | 132,867 |  | 106,951 |  | 131,044 |  | 72,634 |
Reinsurance recoverables and trade receivables, net | 48,386 |  | 37,103 |  |  |  |  |
Inventories, net | 58,659 |  | 58,735 |  |  |  |  |
Prepaid expenses | 38,969 |  | 32,051 |  |  |  |  |
Investments, fixed maturities and marketable equities | 0 |  | 0 |  |  |  |  |
Investments, other | 6,867 |  | 9,880 |  |  |  |  |
Deferred policy acquisition costs, net | 0 |  | 0 |  |  |  |  |
Other assets | 73,348 |  | 91,761 |  |  |  |  |
Related party assets | 118,181 |  | 261,341 |  |  |  |  |
Subtotal assets | 477,277 |  | 597,822 |  |  |  |  |
Investments in subsidiaries | 0 |  | 0 |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Land | 82,821 |  | 67,558 |  |  |  |  |
Buildings and improvements | 178,646 |  | 162,351 |  |  |  |  |
Furniture and equipment | 291,992 |  | 289,601 |  |  |  |  |
Property, plant and equipment (gross) | 2,855,796 |  | 2,630,953 |  |  |  |  |
Less: Accumulated depreciation | (1,115,835) |  | (1,056,854) |  |  |  |  |
Total property, plant and equipment | 1,739,961 |  | 1,574,099 |  |  |  |  |
Total assets | 2,217,238 |  | 2,171,921 |  |  |  |  |
Liabilities: |  |  |  |  |  |  |  |
Accounts payable and accrued expenses | 351,360 |  | 319,780 |  |  |  |  |
Notes, loans and leases payable | 839,174 |  | 769,497 |  |  |  |  |
Policy benefits and losses, claims and loss expenses payable | 392,510 |  | 380,140 |  |  |  |  |
Liabilities from investment contracts | 0 |  | 0 |  |  |  |  |
Other policyholders' funds and liabilities | 0 |  | 0 |  |  |  |  |
Deferred income | 30,886 |  | 31,525 |  |  |  |  |
Deferred income taxes | 0 |  | 0 |  |  |  |  |
Related party liabilities | 630,429 |  | 855,016 |  |  |  |  |
Total liabilities | 2,244,359 |  | 2,355,958 |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Common stock, value, issued | 540 |  | 540 |  |  |  |  |
Additional paid-in capital | 121,230 |  | 121,230 |  |  |  |  |
Accumulated other comprehensive loss | (64,615) |  | (66,302) |  |  |  |  |
Retained earnings | (82,194) |  | (237,107) |  |  |  |  |
Unearned employee stock ownership plan shares | (2,082) |  | (2,398) |  |  |  |  |
Total stockholders' equity | (27,121) |  | (184,037) |  |  |  |  |
Total liabilities and stockholders' equity | 2,217,238 |  | 2,171,921 |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |
ASSETS: |  |  |  |  |  |  |  |
Cash and cash equivalents | 1,498 |  | 775 |  | 818 |  | 757 |
Reinsurance recoverables and trade receivables, net | 0 |  | 0 |  |  |  |  |
Inventories, net | 0 |  | 0 |  |  |  |  |
Prepaid expenses | 537 |  | 311 |  |  |  |  |
Investments, fixed maturities and marketable equities | 0 |  | 0 |  |  |  |  |
Investments, other | 71,581 |  | 42,453 |  |  |  |  |
Deferred policy acquisition costs, net | 0 |  | 0 |  |  |  |  |
Other assets | 28,845 |  | 26,571 |  |  |  |  |
Related party assets | 9 |  | 9 |  |  |  |  |
Subtotal assets | 102,470 |  | 70,119 |  |  |  |  |
Investments in subsidiaries | 0 |  | 0 |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Land | 226,833 |  | 213,582 |  |  |  |  |
Buildings and improvements | 952,206 |  | 924,768 |  |  |  |  |
Furniture and equipment | 18,384 |  | 18,381 |  |  |  |  |
Property, plant and equipment (gross) | 1,197,423 |  | 1,156,731 |  |  |  |  |
Less: Accumulated depreciation | (365,832) |  | (358,488) |  |  |  |  |
Total property, plant and equipment | 831,591 |  | 798,243 |  |  |  |  |
Total assets | 934,061 |  | 868,362 |  |  |  |  |
Liabilities: |  |  |  |  |  |  |  |
Accounts payable and accrued expenses | 4,075 |  | 3,611 |  |  |  |  |
Notes, loans and leases payable | 717,717 |  | 716,714 |  |  |  |  |
Policy benefits and losses, claims and loss expenses payable | 0 |  | 0 |  |  |  |  |
Liabilities from investment contracts | 0 |  | 0 |  |  |  |  |
Other policyholders' funds and liabilities | 0 |  | 0 |  |  |  |  |
Deferred income | 0 |  | 0 |  |  |  |  |
Deferred income taxes | 0 |  | 0 |  |  |  |  |
Related party liabilities | 360,147 |  | 297,859 |  |  |  |  |
Total liabilities | 1,081,939 |  | 1,018,184 |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Common stock, value, issued | 1 |  | 1 |  |  |  |  |
Additional paid-in capital | 147,941 |  | 147,941 |  |  |  |  |
Accumulated other comprehensive loss | 0 |  | 0 |  |  |  |  |
Retained earnings | (295,820) |  | (297,764) |  |  |  |  |
Unearned employee stock ownership plan shares | 0 |  | 0 |  |  |  |  |
Total stockholders' equity | (147,878) |  | (149,822) |  |  |  |  |
Total liabilities and stockholders' equity | 934,061 |  | 868,362 |  |  |  |  |
Eliminations |  |  |  |  |  |  |  |
ASSETS: |  |  |  |  |  |  |  |
Cash and cash equivalents | 0 |  | 0 |  | 0 |  | 0 |
Reinsurance recoverables and trade receivables, net | 0 |  | 0 |  |  |  |  |
Inventories, net | 0 |  | 0 |  |  |  |  |
Prepaid expenses | 0 |  | 0 |  |  |  |  |
Investments, fixed maturities and marketable equities | 0 |  | 0 |  |  |  |  |
Investments, other | 0 |  | 0 |  |  |  |  |
Deferred policy acquisition costs, net | 0 |  | 0 |  |  |  |  |
Other assets | 0 |  | 0 |  |  |  |  |
Related party assets | (981,278) | [4] | (1,144,545) | [4] |  |  |  |
Subtotal assets | (981,278) |  | (1,144,545) |  |  |  |  |
Investments in subsidiaries | 172,917 | [5] | 331,461 | [5] |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Land | 0 |  | 0 |  |  |  |  |
Buildings and improvements | 0 |  | 0 |  |  |  |  |
Furniture and equipment | 0 |  | 0 |  |  |  |  |
Property, plant and equipment (gross) | 0 |  | 0 |  |  |  |  |
Less: Accumulated depreciation | 0 |  | 0 |  |  |  |  |
Total property, plant and equipment | 0 |  | 0 |  |  |  |  |
Total assets | (808,361) |  | (813,084) |  |  |  |  |
Liabilities: |  |  |  |  |  |  |  |
Accounts payable and accrued expenses | 0 |  | 0 |  |  |  |  |
Notes, loans and leases payable | 0 |  | 0 |  |  |  |  |
Policy benefits and losses, claims and loss expenses payable | 0 |  | 0 |  |  |  |  |
Liabilities from investment contracts | 0 |  | 0 |  |  |  |  |
Other policyholders' funds and liabilities | 0 |  | 0 |  |  |  |  |
Deferred income | 0 |  | 0 |  |  |  |  |
Deferred income taxes | 0 |  | 0 |  |  |  |  |
Related party liabilities | (981,278) | [4] | (1,144,545) | [4] |  |  |  |
Total liabilities | (981,278) |  | (1,144,545) |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Common stock, value, issued | (541) | [5] | (541) | [5] |  |  |  |
Additional paid-in capital | (269,171) | [5] | (269,171) | [5] |  |  |  |
Accumulated other comprehensive loss | 64,615 | [5] | 66,302 | [5] |  |  |  |
Retained earnings | 378,014 | [5] | 534,871 | [5] |  |  |  |
Unearned employee stock ownership plan shares | 0 |  | 0 |  |  |  |  |
Total stockholders' equity | 172,917 |  | 331,461 |  |  |  |  |
Total liabilities and stockholders' equity | (808,361) |  | (813,084) |  |  |  |  |
Rental trailers and other rental equipment |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 293,735 |  | 255,010 |  |  |  |  |
Rental trailers and other rental equipment | Property and Casualty Insurance |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 0 | [1] | 0 | [2] |  |  |  |
Rental trailers and other rental equipment | Life Insurance |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 0 | [1] | 0 | [2] |  |  |  |
Rental trailers and other rental equipment | Eliminations |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 0 |  | 0 |  |  |  |  |
Rental trailers and other rental equipment | Moving and Storage Consolidations |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 293,735 |  | 255,010 |  |  |  |  |
Rental trailers and other rental equipment | AMERCO /NV/ |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 0 |  | 0 |  |  |  |  |
Rental trailers and other rental equipment | U-Haul |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 293,735 |  | 255,010 |  |  |  |  |
Rental trailers and other rental equipment | Real Estate |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 0 |  | 0 |  |  |  |  |
Rental trailers and other rental equipment | Eliminations |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 0 |  | 0 |  |  |  |  |
Rental trucks |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 2,008,602 |  | 1,856,433 |  |  |  |  |
Rental trucks | Property and Casualty Insurance |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 0 | [1] | 0 | [2] |  |  |  |
Rental trucks | Life Insurance |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 0 | [1] | 0 | [2] |  |  |  |
Rental trucks | Eliminations |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 0 |  | 0 |  |  |  |  |
Rental trucks | Moving and Storage Consolidations |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 2,008,602 |  | 1,856,433 |  |  |  |  |
Rental trucks | AMERCO /NV/ |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 0 |  | 0 |  |  |  |  |
Rental trucks | U-Haul |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 2,008,602 |  | 1,856,433 |  |  |  |  |
Rental trucks | Real Estate |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 0 |  | 0 |  |  |  |  |
Rental trucks | Eliminations |  |  |  |  |  |  |  |
Property, plant and equipment, at cost: |  |  |  |  |  |  |  |
Property subject to or available for operating lease, gross | 0 |  | 0 |  |  |  |  |
Series A preferred stock |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Preferred stock, value, issued |  |  |  |  |  |  |  |
Series B preferred stock |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Preferred stock, value, issued |  |  |  |  |  |  |  |
Series A common stock |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Common stock, value, issued |  |  |  |  |  |  |  |
Common stock |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Common stock, value, issued | 10,497 |  | 10,497 |  |  |  |  |
Cost of common shares in treasury, net |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | (525,653) |  | (525,653) |  |  |  |  |
Cost of common shares in treasury, net | Property and Casualty Insurance |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | 0 | [1] | 0 | [2] |  |  |  |
Cost of common shares in treasury, net | Life Insurance |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | 0 | [1] | 0 | [2] |  |  |  |
Cost of common shares in treasury, net | Eliminations |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | 0 |  | 0 |  |  |  |  |
Cost of common shares in treasury, net | Moving and Storage Consolidations |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | (525,653) |  | (525,653) |  |  |  |  |
Cost of common shares in treasury, net | AMERCO /NV/ |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | (525,653) |  | (525,653) |  |  |  |  |
Cost of common shares in treasury, net | U-Haul |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | 0 |  | 0 |  |  |  |  |
Cost of common shares in treasury, net | Real Estate |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | 0 |  | 0 |  |  |  |  |
Cost of common shares in treasury, net | Eliminations |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | 0 |  | 0 |  |  |  |  |
Cost of preferred shares in treasury, net |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | (151,997) |  | (151,997) |  |  |  |  |
Cost of preferred shares in treasury, net | Property and Casualty Insurance |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | 0 | [1] | 0 | [2] |  |  |  |
Cost of preferred shares in treasury, net | Life Insurance |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | 0 | [1] | 0 | [2] |  |  |  |
Cost of preferred shares in treasury, net | Eliminations |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | 0 |  | 0 |  |  |  |  |
Cost of preferred shares in treasury, net | Moving and Storage Consolidations |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | (151,997) |  | (151,997) |  |  |  |  |
Cost of preferred shares in treasury, net | AMERCO /NV/ |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | (151,997) |  | (151,997) |  |  |  |  |
Cost of preferred shares in treasury, net | U-Haul |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | 0 |  | 0 |  |  |  |  |
Cost of preferred shares in treasury, net | Real Estate |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | 0 |  | 0 |  |  |  |  |
Cost of preferred shares in treasury, net | Eliminations |  |  |  |  |  |  |  |
Stockholders' equity: |  |  |  |  |  |  |  |
Treasury stock, value | $ 0 |  | $ 0 |  |  |  |  |
[1] | Balance as of June 30, 2012
[2] | Balance as of December 31, 2011
[3] | Balance for the six months ended June 30, 2011
[4] | Eliminate intercompany receivables and payables
[5] | Eliminate investment in subsidiaries

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- Definition This extended concept is a combination of two concepts on the us-gaap taxonomy. 1. Reinsurance Recoverables defined as..."The known and estimated amount recoverable as of the balance sheet date from reinsurers for claims paid or incurred by the ceding insurer and associated claims settlement expenses, including estimated amounts for claims incurred but not reported, and policy benefits, net of any related valuation allowance." 2. Receivables, Net, Current defined as..."The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowance established for the purpose of reducing such receivables to an amount that approximates their net realizable value" + References No definition available. + Details
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- Definition On our HTML document, we leave this field name blank. It is considered the sum of all assets prior to our listing all Property, Plant and Equipment items. + References No definition available. + Details
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- Definition Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 1, 5 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(1),(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Article 7 + Details
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- Definition The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 14 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 14, 17, 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669686-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e681-108580 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 15D -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.30(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Concepts (CON) -Number 6 -Paragraph 25 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 4 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e6812-107765 + Details
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