Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current Assets:
Cash and cash equivalents	$ 67,904	$ 140,296
Accounts receivable, net (Note 13)	84,605	67,318
Deferred commissions	20,326	15,677
Prepaid expenses and other current assets	19,201	12,802
Total current assets	192,036	236,093
Property and equipment, net (Note 13)	29,937	22,005
Operating lease right-of-use assets (Note 7)	69,100
Goodwill (Note 3)	243,895	85,165
Intangible assets, net (Note 3)	97,363	4,951
Other assets	6,829	5,310
Total assets	639,160	353,524
Current Liabilities:
Accounts payable	505	588
Accrued expenses and other current liabilities (Note 13)	79,857	54,065
Current portion of long-term debt (Note 4)	9,375
Deferred revenue	179,194	135,332
Total current liabilities	268,931	189,985
Long-term debt, net of deferred financing fees (Note 4)	121,170
Non-current operating lease liabilities (Note 7)	67,062
Other non-current liabilities (Note 8, 13)	23,909	11,939
Total liabilities	481,072	201,924
Stockholders' Equity (Note 9):
Preferred stock, $0.01 par value Authorized - 500 shares; issued and outstanding - none
Common stock, $0.01 par value Authorized - 125,000 shares Issued - 23,275 and 22,951 shares as of December 31, 2019 and 2018, respectively Outstanding - 18,644 and 18,320 shares as of December 31, 2019 and 2018, respectively	233	230
Additional paid-in capital	216,454	200,696
Retained earnings	118,147	127,717
Treasury stock - 4,631 shares as of December 31, 2019 and 2018, at cost	(171,889)	(171,889)
Accumulated other comprehensive loss	(4,857)	(5,154)
Total stockholders’ equity	158,088	151,600
Total liabilities and stockholders’ equity	$ 639,160	$ 353,524