Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities
Net loss	$ (42,433)	$ (23,359)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,521	2,377
Amortization of discount on debt	87	480
Stock-based compensation	17,682	5,038
Allowance for credit losses	2,124	1,198
Change in fair value of financial instrument		(4,413)
Changes in operating assets and liabilities:
Accounts receivable	(9,898)	(7,473)
Prepaid expenses	(6,507)	(3,675)
Deferred commissions	(2,084)	(1,454)
Accounts payable	(189)	1,685
Accrued and other liabilities	4,537	4,319
Deferred revenue	1,677	2,077
Net cash used in operating activities	(31,483)	(23,200)
Cash flows from investing activities:
Cash paid for acquisition	(80,952)
Purchase of property and equipment	(2,287)	(1,378)
Purchase of marketable securities	(43,467)
Net cash used in investing activities	(126,706)	(1,378)
Cash flows from financing activities:
Proceeds from issuance of convertible senior notes	345,000
Payment of debt issuance costs	(10,037)
Purchase of capped calls	(35,570)
Proceeds from exercise of stock options	4,239	1,947
Payment of dividends		(12,814)
Proceeds from issuance of common stock upon initial public offering, net of underwriting discounts and commissions and other offering costs		171,128
Proceeds from debt		41,861
Repayment of debt		(6,715)
Net cash provided by financing activities	303,632	195,407
Net change in cash and cash equivalents and restricted cash	145,443	170,829
Cash and cash equivalents and restricted cash, beginning of period	220,607	9,150
Cash and cash equivalents and restricted cash, end of period	366,050	179,979
Supplemental cash flow information:
Cash paid for interest		1,519
Noncash investing and financing activities:
Conversion of convertible preferred stock into common stock upon initial public offering		211,902
Conversion of convertible debt into common stock upon initial public offering		50,173
Reconciliation of cash, cash equivalents and restricted cash within the condensed consolidated balance sheet to the amounts shown in the statements of cash flows above:
Cash and cash equivalents	364,909	178,846
Restricted cash	1,141	1,133
Cash and cash equivalents and restricted cash, end of period	$ 366,050	$ 179,979