FAIR VALUE MEASUREMENTS - Estimated Fair Values of Company's Debt (Detail) - Significant unobservable inputs, Level 3 [Member] - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Carrying Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt at fixed interest rate	$ 409,362	$ 414,419
Debt at variable interest rate	699,704	605,760
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt at fixed interest rate	395,274	291,919
Debt at variable interest rate	$ 658,557	$ 390,350