Goodwill and Other Intangible Assets - Schedule of Changes in Intangible Assets (Details) - USD ($)	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Finite-lived Intangible Assets [Roll Forward]
Intangible assets, net, beginning balance	$ 48,016,000	$ 51,494,000	$ 57,850,000
Impairment charges	(3,522,000)	0	0
Amortization expense	(2,565,000)	(3,470,000)	(6,235,000)
Foreign currency translation net gain	16,000	(8,000)	(121,000)
Intangible assets, net, ending balance	$ 41,945,000	$ 48,016,000	$ 51,494,000