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FAIR VALUE MEASUREMENTS - Estimated Fair Values of Company's Debt (Detail) (Significant unobservable inputs, Level 3 [Member], USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Carrying Value [Member]
     
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Debt $ 777,670 $ 328,473 $ 345,408
Fair Value [Member]
     
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Debt $ 823,603 $ 364,329 $ 359,753