Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.19.1
Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Commitments and Contingencies Disclosure [Abstract]      
Rental expense for continuing operations $ 1,065 $ 857 $ 669