Unaudited Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 305,664	$ 377,013
Short-term investments	940,379	820,962
Accounts receivable - net of allowance for doubtful accounts of $2,041 and $1,768 at June 30, 2022 and December 31, 2021, respectively	165,950	157,362
Deferred commission expense	63,526	59,849
Prepaid expenses and other current assets	56,260	38,388
Total current assets	1,531,779	1,453,574
Long-term investments	162,660	174,895
Property and equipment, net	102,556	96,134
Capitalized software development costs, net	50,228	39,858
Right-of-use assets	263,602	280,828
Deferred commission expense, net of current portion	49,287	42,681
Other assets	49,197	29,244
Intangible assets, net	18,767	10,565
Goodwill	45,883	47,075
Total assets	2,273,959	2,174,854
Current liabilities:
Accounts payable	11,822	2,773
Accrued compensation costs	55,757	63,836
Accrued expenses and other current liabilities	96,263	74,457
Convertible senior notes		19,630
Operating lease liabilities	28,744	26,364
Deferred revenue	469,576	430,414
Total current liabilities	662,162	617,474
Operating lease liabilities, net of current portion	264,234	283,873
Deferred revenue, net of current portion	4,511	4,473
Other long-term liabilities	18,353	12,134
Convertible senior notes, net of current portion	453,232	383,101
Total liabilities	1,402,492	1,301,055
Commitments and contingencies (Note 10)
Stockholders’ equity:
Common stock	48	47
Additional paid-in capital	1,477,770	1,436,089
Accumulated other comprehensive loss	(11,017)	(1,339)
Accumulated deficit	(595,334)	(560,998)
Total stockholders’ equity	871,467	873,799
Total liabilities and stockholders’ equity	$ 2,273,959	$ 2,174,854