CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net loss	$ (67,592)	$ (73,143)	$ (175,383)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	8,301	10,464	11,374
Amortization of intangible assets	20,395	21,078	8,317
Amortization of capitalized internal-use software costs	18,486	20,739	28,863
Impairment of capitalized software	0	3,729	0
Amortization of debt discount and issuance costs	4,472	4,254	20,404
Amortization of deferred sales commission costs	40,181	38,195	34,701
Allowance for credit losses	2,236	1,892	1,974
Operating lease expense, net of accretion	10,934	12,030	13,482
Impairment of right-of-use assets	11,034	2,651	0
Stock-based compensation expense	61,910	89,536	133,331
(Gain) loss on debt extinguishment	1,766	(18,545)	0
Gain on remeasurement of warrants	(2,176)	(417)	0
(Gain) loss on sale of assets	179	(1,821)	0
Other	680	101	3,726
Changes in assets and liabilities:
Accounts receivable, net	753	(8,450)	6,867
Deferred sales commission costs	(22,879)	(31,086)	(44,224)
Other current and non-current assets	(2,348)	2,150	(4,022)
Accounts payable and accruals	(4,182)	(24,403)	(8,740)
Deferred revenue	(3,165)	(168)	4,010
Net cash provided by operating activities	78,985	48,786	34,680
Cash flows from investing activities:
Purchases of property and equipment	(2,650)	(2,991)	(4,137)
Proceeds from sale of intangible assets	0	1,000	0
Capitalized internal-use software costs	(14,289)	(11,896)	(20,370)
Purchases of investments	(6,174)	(53,308)	(83,383)
Sales of investments	0	8,296	13,299
Maturities of investments	31,659	66,199	60,023
Acquisition of businesses, net of cash acquired	0	(1,250)	(125,410)
Net cash provided by (used in) investing activities	8,546	6,050	(159,978)
Cash flows from financing activities:
Finance lease payments	0	0	(15)
Tax-related withholding of common stock	0	0	(310)
Proceeds from issuance of common stock under employee stock plans	4,884	4,679	16,107
Repurchase of capped calls	0	244	0
Repayment of principal on term loan	(25,000)	0	0
Net proceeds from term loan	0	234,806	0
Repayment of convertible senior notes	(63,295)	(217,299)	0
Proceeds from issuance of convertible senior notes	0	0	134,619
Repurchase of common stock	0	(60,214)	(44,976)
Net cash provided by (used in) financing activities	(83,411)	(37,784)	105,425
Effect of exchange rate changes on cash	(126)	(5,037)	(585)
Net increase (decrease) in cash and cash equivalents	3,994	12,015	(20,458)
Cash, cash equivalents and restricted cash, beginning of year	112,729	100,714	121,172
Cash, cash equivalents and restricted cash, end of year	116,723	112,729	100,714
Supplemental and non-cash disclosures:
Interest paid	35,574	22,162	2,156
Income taxes paid	5,974	1,530	1,320
Payables and accruals for property and equipment	3,868	38	88
Warrants issued in connection with term loan	0	5,915	0
Shares issued in connection with term loan and convertible senior notes	0	5,084	0
Issuance of 2028 convertible senior notes in exchange of 2024 convertible senior notes	0	201,914	0
Right-of-use assets acquired in connection with Fuze acquisition	0	0	7,261
Shares consideration in connection with Fuze acquisition	0	0	80,856
Reconciliation of cash, cash equivalents and restricted cash to the consolidated balance sheets:
Cash and cash equivalents	116,262	111,400	91,205
Restricted cash, current	356	511	8,691
Restricted cash, non-current	105	818	818
Total cash, cash equivalents and restricted cash	$ 116,723	$ 112,729	$ 100,714