FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

3 Months Ended

Mar. 31, 2013

FAIR VALUE OF FINANCIAL INSTRUMENTS

Schedule of fair values of the Company's financial instruments

	March 31, 2013				December 31, 2012
	Carrying Value		Fair Value		Carrying Value		Fair Value
Cash and cash equivalents	$	55,049	$	55,049	$	72,600	$	72,600
Restricted cash	10,150		10,150		10,150		10,150
Floating rate debt	1,413,439		1,413,439		1,413,439		1,413,439
2010 Notes	112,097		42,500		110,918		44,375

Schedule of fair values of the Company's financial assets and liabilities

	March 31, 2013
	Total		Quoted Market Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)
Investments	$	30,591	$	30,591	$	—
Derivative instruments — liability position	13,754		—		13,754

	December 31, 2012
	Total		Quoted Market Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)
Investments	$	20,988	$	20,988	$	—
Derivative instruments — liability position	16,052		—		16,052