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Restructuring - Schedule of Charges and Payments (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Apr. 04, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated, period percent	8.00%
Restructuring Reserve [Roll Forward]
Accrued restructuring beginning balance				$ 435	$ 0
Charges to operations		$ 47	$ 1	450	1,328
Cash payments				(885)	(934)
Accrued restructuring ending balance		0	394	0	394
Employee Severance
Restructuring Reserve [Roll Forward]
Charges to operations					1,300
Severance pay and benefits
Restructuring Reserve [Roll Forward]
Accrued restructuring beginning balance				262	0
Charges to operations				0	1,328
Cash payments				(262)	(934)
Accrued restructuring ending balance		0	394	0	394
Facility Exit And Relocation Costs
Restructuring Cost and Reserve [Line Items]
Exit costs				400
Restructuring Reserve [Roll Forward]
Accrued restructuring beginning balance				173	0
Charges to operations				450	0
Cash payments				(623)	0
Accrued restructuring ending balance		$ 0	$ 0	$ 0	0
Former executive officer | Severance pay and benefits
Restructuring Cost and Reserve [Line Items]
Period of post employment salary	18 months
Restructuring Reserve [Roll Forward]
Charges to operations					$ 500

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Restructuring and Related Costs, Period of Post Employment Salary

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

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