Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value of Financial Instruments [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The fair values of our financial instruments as of June 30, 2015 are presented in the following table:

	Fair Value Measurements Using
(in thousands)	Level 1		Level 2		Fair Value
Financial Assets:
Cash and cash equivalents	$	113,128	$	—	$	113,128
Restricted cash	—		11,706		11,706
Marketable securities	23,800		—		23,800
Total Financial Assets	$	136,928	$	11,706	$	148,634
Financial Liabilities:
Total debt	$	—	$	1,303,256	$	1,303,256
Derivatives:
Liability for interest rate swap agreements	$	—	$	5,510	$	5,510

The fair values of our financial instruments as of December 31, 2014 are presented in the following table:

	Fair Value Measurements Using
(in thousands)	Level 1		Level 2		Fair Value
Financial Assets:
Cash and cash equivalents	$	104,677	$	—	$	104,677
Restricted cash	—		12,360		12,360
Marketable securities	22,264		—		22,264
Total Financial Assets	$	126,941	$	12,360	$	139,301
Financial Liabilities:
Total debt	$	—	$	1,323,201	$	1,323,201
Derivatives:
Liability for interest rate swap agreements	$	—	$	3,781	$	3,781

Fair Value Measurements, Nonrecurring [Table Text Block]

The following table presents non-financial instruments that were measured at fair value, on a nonrecurring basis, as of June 30, 2015 and impairment losses for the three and six months ended June 30, 2015:

	As of June 30, 2015
(in thousands)	Fair Value Measurements Using						Impairment Losses
	Level 1		Level 2		Level 3		For the Three Months Ended June 30, 2015		For the Six Months Ended June 30, 2015
Property and equipment, net	$	—	$	—	$	—	$	—	$	58

The following table presents non-financial instruments that were measured at fair value, on a nonrecurring basis, as of June 30, 2014 and impairment losses for the three and six months ended June 30, 2014:

	As of June 30, 2014
(in thousands)	Fair Value Measurements Using						Impairment Losses
	Level 1		Level 2		Level 3		For the Three Months Ended June 30, 2014		For the Six Months Ended June 30, 2014
Property and equipment, net	$	—	$	—	$	—	$	174	$	322
Goodwill, net	—		—		—		3,900		3,900
Investment in affiliates, net	—		—		—		360		360
	$	—	$	—	$	—	$	4,434	$	4,582