Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
OPERATING ACTIVITIES:
Net loss	$ (8,926)	$ (43,429)	$ (8,794)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	39,124	35,504	25,644
Amortization of debt discount and issuance costs	1,869	1,792	11,428
Stock-based compensation expense	85,581	84,787	44,549
Deferred income taxes	(2,319)	(4,164)	(1,502)
Loss(Gain) on Mark-to-Market Adjustment of Contingent Consideration	5,706	(7,153)	0
Expense on repurchase of convertible senior notes	0	16,621	0
Other, net	74	387	1,271
Changes in assets and liabilities:
Accounts receivable	(19,141)	(34,175)	(15,645)
Prepaid expenses and other current assets	(1,915)	1,014	(9,026)
Other long-term assets	(52)	2,852	(6,682)
Accounts payable	(1,878)	3,771	(3,857)
Accrued compensation and benefits	1,783	280	7,761
Other accrued expenses and current liabilities	9,068	(59,463)	6,365
Deferred revenue	18,333	40,946	10,111
Net cash provided by operating activities	127,307	39,570	61,623
INVESTING ACTIVITIES:
Capital expenditures	(10,193)	(9,648)	(7,849)
Payments for acquisition of businesses, net of cash acquired	(3,236)	(134,541)	(53,983)
Other investing activities, net	(2,423)	(10,322)	(650)
Net cash used in investing activities	(15,852)	(154,511)	(62,482)
FINANCING ACTIVITIES:
Proceeds from the exercise of common stock options	36,140	3,577	2,262
Proceeds from employee stock purchase plan contributions	7,978	8,976	4,222
Payments for repurchase and retirement of common stock	(6,255)	(19,659)	0
Proceeds from issuance of convertible senior notes, net of underwriters' discounts and commissions	0	224,265	0
Repurchase of convertible senior notes	0	(192,422)	0
Payments for issuance costs of convertible senior notes	0	(1,523)	0
Proceeds from private placement of common stock	0	0	200,000
Payments on revolving commitment	0	0	(30,000)
Other financing activities	(97)	(233)	(537)
Net cash provided by financing activities	37,766	22,981	175,947
Effect of exchange rate changes on cash, cash equivalents and restricted cash	1,397	(5,094)	(2,623)
Net increase (decrease) in cash, cash equivalents and restricted cash	150,618	(97,054)	172,465
Cash, cash equivalents and restricted cash at beginning of year	316,958	414,012	241,547
Cash, cash equivalents and restricted cash at end of period	467,576	316,958	414,012
Supplemental disclosures of cash flow:
Interest paid	4,242	2,425	633
Income taxes paid	11,291	8,941	9,168
Supplemental disclosure of non-cash investing and financing activities:
Issuance of common stock in connection with acquisitions	17,570	224	3,690
Promissory notes issued and deferred payment obligations for acquisitions and investments	3,201	1,350	86,936
Property and equipment in accounts payable and other current liabilities	1,019	659	1,056
Finance leases	$ 0	$ 0	$ 9