Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 260,098	$ 241,221
Accounts receivable, net	91,570	117,878
Income tax receivable	7,949	6,736
Prepaid expenses and other current assets	23,030	21,100
Total current assets	382,647	386,935
Property and equipment, net	39,610	36,332
Operating lease right of use assets	33,395	33,526
Goodwill	262,963	264,481
Other intangible assets, net	66,637	76,114
Deferred tax assets	8,265	7,125
Other long-term assets	26,699	25,389
TOTAL ASSETS	820,216	829,902
CURRENT LIABILITIES:
Current portion of long-term debt		29,962
Accounts payable	6,515	8,594
Accrued compensation and benefits	35,846	34,772
Current portion of operating lease liabilities	10,770	10,331
Other accrued expenses and current liabilities	27,810	31,404
Deferred revenue	81,343	85,691
Convertible senior notes, net	193,926
Total current liabilities	356,210	200,754
Convertible senior notes, net		188,300
Operating lease liabilities, net of current portion	23,785	24,323
Deferred revenue, non-current	7,236	9,388
Other long-term liabilities	32,856	27,767
TOTAL LIABILITIES	420,087	450,532
Commitments and contingencies
MEZZANINE EQUITY	784	784
STOCKHOLDERS’ EQUITY:
Preferred stock ($0.0001 par value), authorized 45,000 shares, none issued and outstanding
Additional paid-in capital	495,824	474,669
Accumulated deficit	(92,581)	(93,293)
Accumulated other comprehensive loss	(3,905)	(2,797)
TOTAL STOCKHOLDERS’ EQUITY	399,345	378,586
TOTAL LIABILITIES, MEZZANINE EQUITY AND STOCKHOLDERS’ EQUITY	820,216	829,902
Class A Common Stock [Member]
STOCKHOLDERS’ EQUITY:
Common stock	4	4
Class B Common Stock [Member]
STOCKHOLDERS’ EQUITY:
Common stock	$ 3	$ 3