Revenue Recognition - Revenue Disaggregated by Product or Service (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Disaggregation of Revenue [Line Items]
Total sales and other operating revenues	$ 504,350	$ 363,260	$ 382,981	$ 276,670	$ 591,241	$ 524,487	$ 394,876	$ 290,989	$ 1,527,261	$ 1,801,593	$ 1,845,966
Leaf - North America
Disaggregation of Revenue [Line Items]
Total sales and other operating revenues	85,286				103,954				224,707	285,718	451,383
Leaf - North America | Product revenue
Disaggregation of Revenue [Line Items]
Total sales and other operating revenues	77,997				97,055				192,545	249,980
Leaf - North America | Processing and other revenues
Disaggregation of Revenue [Line Items]
Total sales and other operating revenues	7,289				6,899				32,162	35,738
Leaf - Other Regions
Disaggregation of Revenue [Line Items]
Total sales and other operating revenues	414,778				481,584				1,282,616	1,499,839	1,394,048
Leaf - Other Regions | Product revenue
Disaggregation of Revenue [Line Items]
Total sales and other operating revenues	410,519				478,877				1,236,041	1,456,280
Leaf - Other Regions | Processing and other revenues
Disaggregation of Revenue [Line Items]
Total sales and other operating revenues	4,259				2,707				46,575	43,559
Other Products and Services
Disaggregation of Revenue [Line Items]
Total sales and other operating revenues	$ 4,286				$ 5,703				$ 19,938	$ 16,036	$ 535