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Schedule II - AMERCO and Consolidated Subsidiaries, Valuation and Qualifying Accounts (Details) - Amerco [Member] - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Mar. 31, 2015
Allowance for doubtful accounts (deducted from trade receivable) [Member] |  |  |
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of year | $ 585 | $ 790 | $ 958
Additions charged to cost and expenses | 913 | 967 | 994
Additions charged to other accounts |  |  |
Deductions | (959) | (1,172) | (1,162)
Balance at year end | 539 | 585 | 790
Allowance for obsolescence (deducted from inventory) [Member] |  |  |
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of year | 1,597 | 1,384 | 2,487
Additions charged to cost and expenses | 1,218 | 213 |
Additions charged to other accounts |  |  |
Deductions | (765) |  | (1,103)
Balance at year end | 2,050 | 1,597 | 1,384
Allowance for LIFO (deducted from inventory) [Member] |  |  |
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of year | 13,463 | 15,019 | 14,788
Additions charged to cost and expenses | 877 |  | 231
Additions charged to other accounts |  |  |
Deductions |  | (1,556) |
Balance at year end | 14,340 | 13,463 | 15,019
Allowance for probable losses (deducted from mortgage loans) [Member] |  |  |
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of year | 368 | 370 | 370
Additions charged to cost and expenses | 125 |  |
Additions charged to other accounts |  |  |
Deductions |  | (2) |
Balance at year end | $ 493 | $ 368 | $ 370

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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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