Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 113,909	$ 87,559
Short-term marketable securities	233,922	211,331
Accounts receivable, net of allowance of $643 and $585 as of June 30, 2020 and December 31, 2019, respectively	75,938	78,034
Prepaid expenses and other current assets	24,338	18,692
Total current assets	448,107	395,616
Long-term marketable securities	97,483	119,508
Property and equipment, net	63,098	60,579
Operating Lease, Right-of-Use Asset	42,930	40,551
Deferred tax assets, net	16,971	18,830
Intangible assets, net	13,755	16,795
Goodwill	7,447	7,447
Restricted cash	1,200	1,200
Other noncurrent assets	16,024	15,082
Total assets	707,015	675,608
Current liabilities:
Accounts payable	1,395	848
Accrued liabilities	24,810	22,784
Deferred revenues, current	199,732	192,172
Operating Lease, Liabilities, Current	9,161	7,663
Operating Lease, Liabilities, Noncurrent	45,050	44,015
Total current liabilities	235,098	223,467
Deferred revenues, noncurrent	19,070	20,935
Other noncurrent liabilities	23	388
Total liabilities	299,241	288,805
Commitments and contingencies (Note 9)
Stockholders’ equity:
Preferred stock, $0.001 par value; 20,000,000 shares authorized, no shares issued and outstanding at June 30, 2020 and December 31, 2019	0	0
Common stock, $0.001 par value; 1,000,000,000 shares authorized; 39,315,337 and 39,146,272 shares issued and outstanding at June 30, 2020 and December 31, 2019, respectively	39	39
Additional paid-in capital	384,202	362,408
Accumulated other comprehensive income	2,435	1,162
Retained earnings	21,098	23,194
Total stockholders’ equity	407,774	386,803
Total liabilities and stockholders’ equity	$ 707,015	$ 675,608