Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Schedule of Allowance for Sales Credits

The following table shows the Company's allowance for sales credits, credit losses, and other reserved balances as follows:

	Beginning Balance		Additions		Deductions		Ending Balance
Year Ended December 31, 2019	$	367	$	1,388	$	(1,216)	$	539
Year Ended December 31, 2020	539		5,187		(2,620)		3,106
Year Ended December 31, 2021	$	3,106	$	3,760	$	(4,105)	$	2,761

Schedule of Useful Lives of Property and Equipment

The estimated useful lives of property and equipment are as follows:

Computer hardware and equipment	3 - 5 years
Purchased software and licenses	3 - 5 years
Furniture and fixtures	7 years
Leasehold improvements	Lesser of estimated useful life or lease term

Property and equipment consisted of the following:

	December 31,
	2021		2020
Computer hardware and equipment	$	59,843	$	51,570
Purchased software and licenses	15,284		10,219
Furniture and fixtures	8,953		7,396
Leasehold improvements	26,169		15,202
	110,249		84,387
Accumulated depreciation	(43,641)		(34,829)
Property and equipment, net	$	66,608	$	49,558

Schedule of Disaggregation of Revenue by Major Source

The following table disaggregates the Company's revenue by major source:

	Year Ended December 31,
	2021		2020		2019
Subscription	$	361,094	$	286,961	$	221,983
Transactional	68,829		55,580		48,396
Services and Other	68,797		60,210		45,105
Total Revenues	$	498,720	$	402,751	$	315,484

Schedule of Net Loss Per Share, Basic and Diluted

The following table sets forth the computations of net loss per share for the periods listed:

	Year ended December 31,
	2021		2020		2019
Numerator:
Net loss	$	(112,746)	$	(137,620)	$	(70,877)
Denominator:
Weighted-average common shares outstanding, basic and diluted	56,394		52,019		46,198
Net loss per common share, basic and diluted	$	(2.00)	$	(2.65)	$	(1.53)

Schedule of Antidilutive Securities Excluded from Computation of Loss Per Share

The following table sets forth the anti-dilutive common share equivalents for the periods listed:

	Year ended December 31,
	2021	2020	2019
Stock options, restricted stock units, and market stock units	2,264	2,797	3,805
Shares related to the 2023 Notes	80	298	887
Shares subject to warrants related to the issuance of the 2023 Notes	39	96	—
Shares related to the 2026 Notes	371	15	—
	2,754	3,206	4,692