Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Accounting standard adoption adjustment	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Deficit Accounting standard adoption adjustment	Accumulated Other Comprehensive Loss
Beginning Balance (in shares) at Dec. 31, 2018			63,676,229	(2,681,285)
Beginning Balance at Dec. 31, 2018	$ 170,729		$ 64	$ (3)	$ 362,590	$ (187,491)		$ (4,431)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued upon exercise of stock options (in shares)	1,523,000		1,523,018
Common stock issued upon exercise of stock options	$ 16,918		$ 2		16,916
Common stock issued upon vesting of restricted stock units (in shares)			1,197,576
Common stock issued upon vesting of restricted stock units	1,000		$ 1		999
Stock-based compensation	25,083				25,083
Common stock issued under Employee Stock Purchase Plan (in shares)			146,250
Common stock issued under Employee Stock Purchase Plan	4,142				4,142
Common stock repurchase (in shares)				(28,545)
Common stock repurchase	(903)				(903)
Equity component of convertible senior notes	52,900				52,900
Equity component of convertible senior notes issuance costs	1,986				1,986
Purchase of capped call option	23,184				23,184
Bonus cash payment settled in shares of the Company’s common stock	0
Net loss	(96,071)					(96,071)
Other comprehensive income (loss)	(93)							(93)
Ending Balance (in shares) at Dec. 31, 2019			66,543,073	(2,709,830)
Ending Balance at Dec. 31, 2019	$ 148,535	$ (729)	$ 67	$ (3)	436,557	(283,562)	$ (729)	(4,524)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued upon exercise of stock options (in shares)	1,683,000		1,683,315
Common stock issued upon exercise of stock options	$ 21,354		$ 1		21,353
Common stock issued upon vesting of restricted stock units (in shares)			915,827
Common stock issued upon vesting of restricted stock units	1		$ 1
Stock-based compensation	36,132				36,132
Common stock issued under Employee Stock Purchase Plan (in shares)			118,637
Common stock issued under Employee Stock Purchase Plan	4,002				4,002
Equity component of convertible senior notes	162,534				162,534
Equity component of convertible senior notes issuance costs	3,797				3,797
Purchase of capped call option	46,058				46,058
Common stock as earnout payment in connection with AdvantageTec Inc. (in shares)			11,508
Stock Issued During Period, Value, Earnout Payment	$ 293				293
Bonus cash payment settled in shares of the Company's common stock (in shares)	991,905		991,905
Bonus cash payment settled in shares of the Company’s common stock	$ 24,657		$ 1		24,656
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2016-13 [Member]
Net loss	$ (107,594)					(107,594)
Other comprehensive income (loss)	4,604							4,604
Ending Balance (in shares) at Dec. 31, 2020			70,264,265	(2,709,830)
Ending Balance at Dec. 31, 2020	$ 243,934		$ 70	$ (3)	635,672	(391,885)		80
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued upon exercise of stock options (in shares)	863,000		864,227
Common stock issued upon exercise of stock options	$ 11,701		$ 1		11,700
Common stock issued upon vesting of restricted stock units (in shares)			1,058,361
Common stock issued upon vesting of restricted stock units	0		$ 1		(1)
Stock-based compensation	58,422				58,422
Common stock issued under Employee Stock Purchase Plan (in shares)			95,136
Common stock issued under Employee Stock Purchase Plan	4,409				4,409
Common stock repurchase (in shares)			(30,344)	(36,413)
Common stock repurchase	$ (709)				(709)
Bonus cash payment settled in shares of the Company's common stock (in shares)	400,700		538,000
Bonus cash payment settled in shares of the Company’s common stock	$ 33,503		$ 1		33,502
Issuance of common stock in connection with acquisitions (in shares)			2,130,213
Issuance of common stock in connection with acquisitions	128,795		$ 2		128,793
Net loss	(124,974)					(124,974)
Other comprehensive income (loss)	(5,644)							(5,644)
Ending Balance (in shares) at Dec. 31, 2021			74,980,546	(2,746,243)
Ending Balance at Dec. 31, 2021	$ 349,437		$ 75	$ (3)	$ 871,788	$ (516,859)		$ (5,564)