DEFERRED REVENUE AND COSTS (DEFERRED COSTS CLASSIFICATION TABLE) (DETAILS) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
DEFERRED REVENUE AND COSTS [ABSTRACT]
Deferred costs - current	$ 16,845us-gaap_DeferredCostsCurrent	$ 15,953us-gaap_DeferredCostsCurrent
Deferred costs - long-term	12,213us-gaap_DeferredCosts	13,202us-gaap_DeferredCosts
Total deferred costs	$ 29,059	$ 29,155

Sum of the carrying amounts of deferred costs that are expected to be recognized as a charge against earnings in periods after one year or beyond the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 17

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Name:	us-gaap_DeferredCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant