Share Repurchases (Details Textual) - Class A Common Stock - USD ($) $ / shares in Units, $ in Millions  | 
9 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2018  | 
Dec. 31, 2017  | 
May 17, 2017  | 
Aug. 31, 2011  | 
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| MayTwoThousandSeventeenAuthorization [Member] | ||||
| Share Repurchases (Textual) [Abstract] | ||||
| Stock Repurchase Program | $ 2.0 | |||
| Treasury Stock, Shares, Acquired | 337,653 | 133,608 | ||
| Stock Repurchase Program Remaining Authorized Repurchases Amount | $ 0.9 | |||
| Treasury stock acquired volume weighted-average price | $ 2.51 | $ 2.98 | ||
| August 2011 authorization [Member] | ||||
| Share Repurchases (Textual) [Abstract] | ||||
| Stock Repurchase Program | $ 20.0 | |||
| Stock Repurchase Program Remaining Authorized Repurchases Amount | $ 0.1 | |||
| Outside of Publically Announced Repurchase Program [Member] | ||||
| Share Repurchases (Textual) [Abstract] | ||||
| Treasury Stock, Shares, Acquired | 59,053 | 54,572 | ||
| Treasury stock acquired volume weighted-average price | $ 3.24 | $ 2.89 | ||
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- Definition Amount of stock repurchase plan authorized. No definition available. 
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Share repurchases. No definition available. 
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- Definition Stock repurchase program remaining authorized repurchase amount. No definition available. 
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