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FAIR VALUE MEASUREMENTS Table 3 (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Fair Value Disclosures [Abstract]    
Fair value, debt $ 2,764,360 $ 2,636,734
Fair value, note receivable 144,949 133,416
Carrying amount, debt 2,710,117 2,655,553
Carrying amount, note receivable 171,275  
Carrying amount, note receivable $ 0 $ 165,440