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Employee Benefit and Stock Compensation Plans Restricted Stock, Activity (Details) - $ / shares | 12 Months Ended |
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares | 4,000 | 0 | 1,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value | $ 5.56 | $ 0.00 | $ 91.05
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 4,000 | 0 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value | $ 5.56 | $ 0 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares | 0 | (1,000) |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value | $ 0 | $ 91.05 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares | 0 | 0 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value | $ 0.00 | $ 0.00 |

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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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