FAIR VALUE MEASUREMENTS - Estimated Fair Values of Company's Debt (Detail) - Significant unobservable inputs, Level 3 [Member] - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Carrying Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt at fixed interest rate	$ 345,984	$ 345,533
Debt at variable interest rate	619,341	516,300
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt at fixed interest rate	213,500	348,283
Debt at variable interest rate	$ 388,380	$ 519,750