INCOME TAXES (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets:
Fixed assets	$ 681	$ 181
Intangible assets	1,428	3,789
Accrued expenses	10,729	1,282
Net operating loss carryforward	5,233	844
Deferred revenue	2,162	4,328
Stock-based compensation	12,484	6,994
Valuation allowance	0	(149)
Restricted stock options	0	2
Other assets	14	30
Deferred tax assets	32,731	17,301
Deferred tax liabilities:
Fixed assets	646	800
Intangible assets	1,598	0
Accrued revenue and expenses	511	635
Deferred inter-company gain	0	405
Stock-based compensation	1,672	7,013
Other liabilities	912	24
Deferred tax liability	5,339	8,877
Net deferred tax asset	27,392	8,424
Deferred Tax Assets Classification
Deferred tax assets, current	11,847	2,496
Deferred tax assets, long-term	18,312	11,094
Deferred Tax Liabilities Classification
Net deferred tax liabilities, current	365	603
Net deferred tax liabilities, noncurrent	$ 2,402	$ 4,563