Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current Assets:
Cash and cash equivalents	$ 103,225	$ 115,769
Marketable investments (Note 2)	19,388	18,509
Accounts receivable, net of allowance for expected credit losses of $593 and $610 as of June 30, 2022 and December 31, 2021, respectively	59,014	86,965
Deferred commissions	22,570	29,631
Prepaid expenses and other current assets	18,350	18,614
Total current assets	222,547	269,488
Property and equipment, net	26,159	28,245
Operating lease right-of-use assets	58,966	65,009
Goodwill	241,471	244,994
Intangible assets, net	55,904	62,733
Other assets	9,883	9,660
Total assets	614,930	680,129
Current Liabilities:
Accounts payable	101	840
Accrued expenses and other current liabilities	66,347	97,800
Deferred revenue	210,592	213,696
Total current liabilities	277,040	312,336
Long-term debt	50,000	75,000
Non-current operating lease liabilities	57,517	65,038
Other non-current liabilities	20,274	23,848
Total liabilities	404,831	476,222
Commitments and contingencies (Note 5, 14)
Stockholders' Equity (Note 12):
Preferred stock, $0,01 par value Authorized - 500 shares; issued and outstanding - none	0	0
Common stock, $0.01 par value Authorized - 125,000 shares Issued - 24159 and 24,085 shares as of June 30, 2022 and December 31, 2021, respectively Outstanding - 18854 and 19,058 shares as of June 30, 2022 and December 31, 2021, respectively	242	241
Additional paid-in capital	254,937	245,985
Retained earnings	170,847	152,825
Treasury stock - 5,305 and 5,027 shares as of June 30, 2022 and December 31, 2021, respectively	(207,067)	(191,955)
Accumulated other comprehensive loss	(8,860)	(3,189)
Total stockholders’ equity	210,099	203,907
Total liabilities and stockholders’ equity	$ 614,930	$ 680,129