Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Components of Loss Before Income Taxes

U.S. and foreign components of the loss before income taxes were as follows:

	Year Ended December 31,
(in thousands)	2021		2020		2019
U.S. loss	$	(3,319)	$	(6,719)	$	(21,644)
Foreign loss	(47,310)		(30,355)		(64,005)
Total loss before income taxes	$	(50,629)	$	(37,074)	$	(85,649)

Schedule of Components of the Provision for Income Taxes

The components of the provision for income taxes were as follows: 

	Year Ended December 31,
(in thousands)	2021		2020		2019
Current
Federal	$	3	$	3	$	(224)
State	100		17		100
Foreign	6,413		5,476		9,245
Total current tax expense	6,516		5,496		9,121
Deferred
Federal	(7,016)		102		—
State	(827)		59		—
Foreign	(2,625)		—		4,243
Total deferred tax (benefit) expense	(10,468)		161		4,243
Total (benefit) provision for income taxes	$	(3,952)	$	5,657	$	13,364

Schedule of Effective Income Tax Rate Reconciliation

The items accounting for the difference between income taxes computed at the federal statutory rate and our effective tax rate were as follows:

	Year Ended December 31,
	2021		2020		2019
U.S. federal statutory tax rate	21.0	%	21.0	%	21.0	%
State and local taxes	2.6		10.8		4.8
Research and development tax credit	4.5		11.1		3.1
Stock-based compensation	49.5		34.4		19.0
Uncertain tax positions	(0.1)		0.1		(0.5)
Foreign tax rate differential	(1.2)		(10.6)		(7.9)
Change in valuation allowance	(55.7)		(81.2)		(40.8)
Gain on intercompany sale	(5.1)		—		(12.3)
Foreign withholding tax	(2.0)		(3.3)		(1.4)
Transaction costs	(1.6)		—		—
Other	(4.1)		2.4		(0.6)
Effective tax rate	7.8	%	(15.3)	%	(15.6)	%

Components of Deferred Tax Assets and Liabilities

The components of the deferred tax assets and liabilities were as follows: 

	December 31,
(in thousands)	2021		2020
Deferred tax assets:
Net operating losses	$	134,503	$	89,053
Deferred revenue	13,598		13,454
Stock-based compensation	14,157		11,846
Tax credits	15,142		11,565
Leases	12,929		15,238
Accrued compensation	1,600		1,271
Interest expense	2,013		—
Other	231		379
Total deferred tax assets	194,173		142,806
Valuation allowance	(147,040)		(112,363)
Net deferred tax assets	47,133		30,443
Deferred tax liabilities:
Deferred commissions	(19,423)		(15,987)
Property and equipment	(13,720)		(13,257)
Intangible assets	(15,253)		(962)
Other	(486)		(398)
Total deferred tax liabilities	(48,882)		(30,604)
Net deferred tax liabilities	$	(1,749)	$	(161)

Schedule Change of Gross Unrealized Tax Benefits

The change in gross unrecognized tax benefits, excluding accrued interest, were as follows: 

	Year Ended December 31,
(in thousands)	2021		2020		2019
Unrecognized tax benefits at the beginning of the period	$	7,123	$	7,163	$	4,814
Additions for tax positions in the current year	194		232		2,306
Increase in prior year positions	64		62		90
Decrease in prior year positions	(48)		(334)		(89)
Acquisitions	242		—		42
Unrecognized tax benefits at the end of the period	$	7,575	$	7,123	$	7,163