Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details 3)

v3.7.0.1
Income Taxes (Details 3) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
Income Tax Contingency [Line Items]      
Unrecognized Tax Benefits $ 2,962 $ 2,962 $ 2,962
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions 0 0  
Unrecognized Tax Benefits $ 2,962 $ 2,962