Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 146,387	$ 90,257
Accounts receivable, net of allowance for expected credit losses of $792 and $708 as of June 30, 2021 and December 31, 2020, respectively	63,397	84,695
Deferred commissions	19,244	23,620
Prepaid expenses and other current assets	15,923	18,588
Total current assets	244,951	217,160
Property and equipment, net	28,645	27,032
Operating lease right-of-use assets	70,756	69,296
Goodwill	246,235	247,211
Intangible assets, net	69,990	77,995
Other assets	7,873	5,524
Total assets	668,450	644,218
Current Liabilities:
Accounts payable	1,037	657
Accrued expenses and other current liabilities	63,735	76,620
Current portion of long-term debt	12,500	12,500
Deferred revenue	210,288	179,968
Total current liabilities	287,560	269,745
Long-term debt, net of deferred financing fees	89,342	95,299
Non-current operating lease liabilities	71,577	70,323
Other non-current liabilities	18,469	23,085
Total liabilities	466,948	458,452
Commitments and contingencies (Note 4, 13)
Stockholders' Equity (Note 11):
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 - 23,780 and 23,648 shares as of June 30, 2021 and December 31, 2020, respectively Outstanding - 19,086 and 19,017 shares as of June 30, 2021 and December 31, 2020, respectively	238	236
Additional paid-in capital	237,485	230,128
Retained earnings	140,280	127,981
Treasury stock - 4,694 and 4,631 shares as of June 30, 2021 and December 31, 2020 respectively	(174,562)	(171,889)
Accumulated other comprehensive loss	(1,939)	(690)
Total stockholders’ equity	201,502	185,766
Total liabilities and stockholders’ equity	$ 668,450	$ 644,218