Goodwill and Other Intangibles Change in Goodwill Balance (Table) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Goodwill [Line Items]
Balance at beginning of year	$ 97,907	$ 98,807
Goodwill, Acquired During Period	28,863	0
Foreign currency translation adjustment	56	(11)
Goodwill Impairment	0	(889)
Balance at end of year	$ 126,826	97,907
Tanzania
Goodwill [Line Items]
Goodwill Impairment		$ (900)