CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net loss	$ (120,551)	$ (122,268)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	8,529	6,801
Amortization of intangible assets	5,590	6,149
Amortization of capitalized software	20,021	13,263
Amortization of debt discount and issuance costs	12,574	9,987
Amortization of deferred sales commission costs	20,040	13,805
Allowance for credit losses	3,950	1,323
Operating lease expense, net of accretion	11,469	10,676
Stock-based compensation	74,940	50,305
Other	517	1,348
Changes in assets and liabilities:
Accounts receivable, net	(13,277)	(8,776)
Deferred sales commission costs	(41,187)	(33,651)
Other current and non-current assets	(8,939)	(24,780)
Accounts payable and accruals	(338)	7,876
Deferred revenue	11,797	5,106
Net cash used in operating activities	(14,865)	(62,836)
Cash flows from investing activities:
Purchases of property and equipment	(4,975)	(22,853)
Purchase of businesses	(3,459)	(58,853)
Cost of capitalized software	(22,858)	(22,784)
Proceeds from maturities of investments	40,771	16,195
Proceeds from sales of investments	219	33,117
Purchases of investments	(36,840)	(29,658)
Net cash used in investing activities	(27,142)	(84,836)
Cash flows from financing activities:
Finance lease payments	(74)	(312)
Tax-related withholding of common stock	(69)	(6,186)
Proceeds from issuance of common stock under employee stock plans	6,058	7,035
Purchases of capped calls	0	(9,288)
Net proceeds from issuance of convertible senior notes	0	74,593
Net cash provided by financing activities	5,915	65,842
Effects of currency exchange rates on cash, cash equivalent, and restricted cash	2,116	958
Net decrease in cash, cash equivalents, and restricted cash	(33,976)	(80,872)
Cash, cash equivalents, and restricted cash at the beginning of the period	156,411	284,683
Cash, cash equivalents, and restricted cash at the end of the period	122,435	203,811
Supplemental and non-cash disclosures:
Income taxes paid	761	719
Interest paid	906	647
Right of use assets obtained in exchange for new or modified operating lease liabilities	0	64,869
Reconciliation Of Cash Cash Equivalents And Restricted Cash [Abstract]
Total cash, cash equivalents, and restricted cash	$ 122,435	$ 203,811