CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Fuze	Common Stock	Common Stock Fuze	Additional Paid-in Capital	Additional Paid-in Capital Fuze	Accumulated Other Comprehensive Loss	Accumulated Deficit
Beginning balance (in shares) at Mar. 31, 2023			114,659,000
Beginning balance at Mar. 31, 2023	$ 99,906		$ 115		$ 905,635		$ (12,927)	$ (792,917)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock plans, less withholding (in shares)			3,535,000
Issuance of common stock under stock plans, less withholding	0		$ 3		(3)
Stock-based compensation expense	18,559				18,559
Issuance of common stock under stock plans, less withholding, related to Fuze acquisition (in shares)				1,038,000
Issuance of common stock under stock plans, less withholding, related to Fuze Acquisition		$ 0		$ 1		$ (1)
Unrealized investment gain (loss)	290						290
Foreign currency translation adjustment	1,441						1,441
Net loss	(15,327)							(15,327)
Ending balance (in shares) at Jun. 30, 2023			119,232,000
Ending balance at Jun. 30, 2023	104,869		$ 119		924,190		(11,196)	(808,244)
Beginning balance (in shares) at Mar. 31, 2023			114,659,000
Beginning balance at Mar. 31, 2023	99,906		$ 115		905,635		(12,927)	(792,917)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Unrealized investment gain (loss)	297
Net loss	(22,779)
Ending balance (in shares) at Sep. 30, 2023			121,859,000
Ending balance at Sep. 30, 2023	110,410		$ 122		941,493		(15,509)	(815,696)
Beginning balance (in shares) at Jun. 30, 2023			119,232,000
Beginning balance at Jun. 30, 2023	104,869		$ 119		924,190		(11,196)	(808,244)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock plans, less withholding (in shares)			1,784,000
Issuance of common stock under stock plans, less withholding	0		$ 2		(2)
ESPP share issuance (in shares)			843,000
ESPP share issuance	2,366		$ 1		2,365
Stock-based compensation expense	14,940				14,940
Unrealized investment gain (loss)	7						7
Foreign currency translation adjustment	(4,320)						(4,320)
Net loss	(7,452)							(7,452)
Ending balance (in shares) at Sep. 30, 2023			121,859,000
Ending balance at Sep. 30, 2023	$ 110,410		$ 122		941,493		(15,509)	(815,696)
Beginning balance (in shares) at Mar. 31, 2024	125,193,573		125,194,000
Beginning balance at Mar. 31, 2024	$ 101,958		$ 125		973,895		(11,553)	(860,509)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock plans, less withholding (in shares)			2,769,000
Issuance of common stock under stock plans, less withholding	0		$ 3		(3)
Stock-based compensation expense	13,279				13,279
Unrealized investment gain (loss)	(5)						(5)
Foreign currency translation adjustment	(354)						(354)
Net loss	(10,290)							(10,290)
Ending balance (in shares) at Jun. 30, 2024			127,963,000
Ending balance at Jun. 30, 2024	$ 104,588		$ 128		987,171		(11,912)	(870,799)
Beginning balance (in shares) at Mar. 31, 2024	125,193,573		125,194,000
Beginning balance at Mar. 31, 2024	$ 101,958		$ 125		973,895		(11,553)	(860,509)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Unrealized investment gain (loss)	(5)
Net loss	$ (24,833)
Ending balance (in shares) at Sep. 30, 2024	130,516,596		130,517,000
Ending balance at Sep. 30, 2024	$ 109,812		$ 131		998,572		(3,549)	(885,342)
Beginning balance (in shares) at Jun. 30, 2024			127,963,000
Beginning balance at Jun. 30, 2024	104,588		$ 128		987,171		(11,912)	(870,799)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock plans, less withholding (in shares)			1,479,000
Issuance of common stock under stock plans, less withholding	0		$ 2		(2)
ESPP share issuance (in shares)			1,075,000
ESPP share issuance	1,683		$ 1		1,682
Stock-based compensation expense	9,721				9,721
Unrealized investment gain (loss)	0
Foreign currency translation adjustment	8,363						8,363
Net loss	$ (14,543)							(14,543)
Ending balance (in shares) at Sep. 30, 2024	130,516,596		130,517,000
Ending balance at Sep. 30, 2024	$ 109,812		$ 131		$ 998,572		$ (3,549)	$ (885,342)