Goodwill and Other Intangible Assets, Net - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018	Jan. 01, 2019
Goodwill [Line Items]
Goodwill	$ 0	$ 34,336	$ 27,546
Amortization expense	$ 6,991	7,943	5,982
Leaf - North America
Goodwill [Line Items]
Goodwill		2,795	2,795	$ 2,795
Proportion of fair value in excess of carrying value of reporting unit (as a percent)	8.90%
Leaf - Other Regions
Goodwill [Line Items]
Goodwill		13,669	13,669
Other Products and Services
Goodwill [Line Items]
Goodwill		$ 17,872	$ 11,082
Leaf Tobacco - Africa | Leaf - Other Regions
Goodwill [Line Items]
Goodwill				13,669
Proportion of fair value in excess of carrying value of reporting unit (as a percent)	3.10%
Cannabis | Other Products and Services
Goodwill [Line Items]
Goodwill				10,933
Proportion of fair value in excess of carrying value of reporting unit (as a percent)	5.90%
E-liquids | Other Products and Services
Goodwill [Line Items]
Goodwill				$ 7,174