Income Taxes (Details 3) - USD ($) $ in Thousands  | 
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2020  | 
Mar. 31, 2019  | 
Mar. 31, 2018  | 
|
| Income Tax Contingency [Line Items] | |||
| Unrecognized Tax Benefits | $ 1,805 | $ 2,182 | $ 2,962 | 
| Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions | 0 | 0 | |
| Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations | (377) | (780) | |
| Unrecognized Tax Benefits | $ 1,805 | $ 2,182 | |
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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