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Condensed Consolidated Balance Sheets Parenthetical - $ / shares | Dec. 31, 2015 | Mar. 31, 2015
--- | --- | ---
Series Preferred Stock With or Without Par Value [Member] |  |
Preferred stock: |  |
Preferred stock, shares authorized | 50,000,000 | 50,000,000
Series A Preferred Stock [Member] |  |
Preferred stock: |  |
Preferred stock, shares authorized | 6,100,000 | 6,100,000
Preferred stock, shares issued | 6,100,000 | 6,100,000
Preferred stock, shares outstanding | 0 | 0
Preferred stock, no par value | $ 0.00 | $ 0.00
Series B Preferred Stock [Member] |  |
Preferred stock: |  |
Preferred stock, shares authorized | 100,000 | 100,000
Preferred stock, shares issued | 0 | 0
Preferred stock, shares outstanding | 0 | 0
Preferred stock, no par value | $ 0.00 | $ 0.00
Series Common Stock With or Without Par Value [Member] |  |
Common stock: |  |
Common stock, shares authorized | 150,000,000 | 150,000,000
Series A Common Stock [Member] |  |
Common stock: |  |
Common stock, shares authorized | 10,000,000 | 10,000,000
Common stock, shares, issued | 0 | 0
Common stock, shares, outstanding | 0 | 0
Common stock, par or stated value per share | $ 0.25 | $ 0.25
Common Stock [Member] |  |
Common stock: |  |
Common stock, shares authorized | 150,000,000 | 150,000,000
Common stock, par or stated value per share | $ 0.25 | $ 0.25
Amerco Common Stock [Member] |  |
Common stock: |  |
Common stock, shares authorized | 150,000,000 | 150,000,000
Common stock, shares, issued | 41,985,700 | 41,985,700
Common stock, shares, outstanding | 19,607,788 | 19,607,788
Common stock, par or stated value per share | $ 0.25 | $ 0.25
Common Stock in Treasury [Member] |  |
Treasury stock: |  |
Treasury stock, shares | 22,377,912 | 22,377,912
Preferred Stock in Treasury [Member] |  |
Treasury stock: |  |
Treasury stock, shares | 6,100,000 | 6,100,000

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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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