Annual report pursuant to Section 13 and 15(d)

Income Taxes - Unrecognized Tax Benefits (Details)

v3.8.0.1
Income Taxes - Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Reserve for uncertain income taxes, beginning of period $ 533 $ 661
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions (533) (176)
Interest and penalties on prior reserves 0 48
Reserve for uncertain income taxes, end of period $ 0 $ 533