Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 40,873	$ 29,050
Restricted cash		81
Investments	38,299	75,109
Accounts and other receivables, net of allowance for uncollectible accounts of $2,140 and $2,555, respectively	40,940	37,185
Other current assets	10,883	9,243
Total current assets	130,995	150,668
Property and equipment, net	53,336	42,569
Intangible assets, net	27,021	19,232
Goodwill	49,016	39,247
Other assets	3,866	2,421
Total assets	264,234	254,137
Current liabilities:
Trade accounts payable	13,748	11,607
Accrued liabilities	12,221	12,828
Accrued commissions	5,187	4,615
Current portion of deferred revenue	14,254	11,530
Total current liabilities	45,410	40,580
Deferred revenue	7,567	6,082
Deferred rent and lease incentive obligation	6,657	3
Deferred tax liability, net	466	230
Long-term debt	85,215	81,985
Total liabilities	145,315	128,880
Commitments and contingencies (see Note 10)
Stockholders' equity:
Common stock, $0.0001 par value; 100,000 shares authorized; 62,612 and 61,826 shares issued and outstanding as of September 30, 2016 and December 31, 2015, respectively	6	6
Additional paid-in capital	264,616	253,986
Accumulated deficit	(145,702)	(128,654)
Accumulated other comprehensive loss	(1)	(81)
Total stockholders' equity	118,919	125,257
Total liabilities and stockholders' equity	$ 264,234	$ 254,137