Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 238,022	$ 344,523
Short-term investments	96,279	20,210
Accounts receivable, net of allowance for doubtful accounts of $5,082 and $4,494 respectively	50,988	60,359
Prepaid expenses and other current assets	6,118	5,745
Total current assets	391,407	430,837
Property and equipment, net	24,062	22,507
Goodwill	193,774	192,227
Intangible assets, net	93,220	95,517
Operating lease assets with right-of-use	18,654	20,039
Deferred tax assets	8,831	2,945
Other assets	669	645
Total assets	730,617	764,717
Current liabilities:
Accounts payable	3,329	3,298
Current operating lease liabilities	3,968	4,099
Accrued expenses and other current liabilities	6,182	10,935
Accrued compensation expenses	1,385	4,643
Income taxes payable	4,324	7,827
Contract liabilities	20,577	27,086
Total current liabilities	39,765	57,888
Non-current operating lease liabilities	18,530	20,371
Convertible senior notes	456,949	455,694
Deferred tax liabilities	13,076	13,290
Total liabilities	528,320	547,243
Leases and contingencies (see Note 9)
Stockholders’ equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.001 par value; 100,000,000 shares authorized; 58,036,732 and 57,919,501 shares issued, respectively 27,820,748 and 29,023,093 shares outstanding respectively	58	58
Treasury stock, at cost; 30,215,984 and 28,896,408 shares, respectively	(328,876)	(278,876)
Additional paid-in capital	452,353	425,458
Accumulated other comprehensive loss	(5,929)	(9,537)
Retained earnings	84,691	80,371
Total stockholders’ equity	202,297	217,474
Total liabilities and stockholders’ equity	$ 730,617	$ 764,717