Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash	$ 65,295	$ 51,540
Accounts receivable, net of allowance of $1,433 and $1,079, respectively	61,659	59,580
Prepaid expenses and other current assets	10,471	11,253
Current assets held for sale	879	0
Current assets of discontinued operations	100	254
Total current assets	138,404	122,627
Noncurrent assets:
Property and equipment, net	146,992	139,408
Intangible assets, net	508,399	513,915
Goodwill	243,042	292,953
Investments	8,092	4,313
Other assets	10,998	7,290
Long-term assets of discontinued operations	431	0
Long-term assets held for sale	0	199
Total assets	1,056,358	1,080,705
Liabilities:
Accounts payable	14,559	10,602
Current portion of long-term debt	9,524	6,901
Deferred revenue	17,683	17,208
Accrued expenses and other current liabilities	25,160	25,748
Accrued interest	5,699	4,622
Current liabilities of discontinued operations	680	71
Total current liabilities	73,305	65,152
Long-term debt, less current portion (net of deferred financing costs of $8,006 and $6,803, respectively)	555,618	564,315
Deferred tax liability	36,965	50,907
Other long-term liabilities	9,390	10,221
Long-term liabilities of discontinued operations	0	59
Total liabilities	675,278	690,654
Stockholders’ equity:
Common stock	185	184
Additional paid-in capital	367,041	365,434
Retained earnings	13,265	24,450
Accumulated other comprehensive loss	(532)	(722)
Noncontrolling interest	1,121	705
Total stockholders’ equity	381,080	390,051
Total liabilities and stockholders’ equity	1,056,358	1,080,705
Common Class A
Stockholders’ equity:
Common stock	138	137
Common Class B
Stockholders’ equity:
Common stock	30	30
Common Class C
Stockholders’ equity:
Common stock	$ 17	$ 17