FAIR VALUE MEASUREMENTS (Schedule of Nonrecurring Fair Value Measurements) (Details) (Nonrecurring [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Total Losses [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Property and equipment, net	$ 7,218	$ 2,669
Intangible and other assets, net		909
Total assets measured at fair value	7,218	3,578
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Property and equipment, net
Intangible and other assets, net
Total assets measured at fair value
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Property and equipment, net
Intangible and other assets, net
Total assets measured at fair value
Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Property and equipment, net	1,215,156	1,217,718
Intangible and other assets, net		23,798
Total assets measured at fair value	$ 1,215,156	$ 1,241,516