Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 344,523	$ 361,623
Short-term investments	20,210	20,076
Accounts receivable, net of allowance for doubtful accounts of $4,494 and $2,514, respectively	60,359	51,095
Prepaid taxes	0	51
Prepaid expenses and other current assets	5,745	5,266
Total current assets	430,837	438,111
Property and equipment, net	22,507	18,720
Goodwill	192,227	197,073
Intangible assets, net	95,517	110,390
Operating lease assets with right-of-use	20,039	23,339
Deferred tax assets	2,945	474
Other assets	645	893
Total assets	764,717	789,000
Current liabilities:
Accounts payable	3,298	3,783
Current operating lease liabilities	4,099	4,073
Accrued expenses and other current liabilities	10,935	16,638
Accrued compensation expenses	4,643	14,540
Income taxes payable	7,827	474
Contract liabilities	27,086	30,492
Total current liabilities	57,888	70,000
Non-current operating lease liabilities	20,371	24,021
Convertible senior notes	455,694	453,194
Other liabilities	0	2,779
Deferred tax liabilities	13,290	16,249
Total liabilities	547,243	566,243
Commitments and contingencies (See Note 10)
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 57,919,501 and 57,144,740 shares issued, respectively 29,023,093 and 29,633,898 shares outstanding, respectively	58	57
Treasury stock, at cost; 28,896,408 and 27,510,842 shares, respectively	(278,876)	(199,796)
Additional paid-in capital	425,458	383,436
Accumulated other comprehensive income (loss)	(9,537)	298
Retained earnings	80,371	38,762
Total stockholders’ equity	217,474	222,757
Total liabilities and stockholders’ equity	$ 764,717	$ 789,000