Accrued Liabilities and Deferred Credits (Tables)

12 Months Ended

Dec. 31, 2014

Payables and Accruals [Abstract]

Accrued Liabilities and Deferred Credits

Accrued liabilities and deferred credits consist of the following:

	December 31, 2014		December 31, 2013
Accrued compensation	$	2,673	$	3,705
Deferred revenue	15,309		28,551
Environmental and insurance liabilities	475		1,071
Membership deposits	8,426		8,545
Other accrued liabilities	5,176		7,775
Accrued interest expense for Senior Notes held by special purpose entity (Note 5)	2,852		—
Total accrued liabilities and deferred credits	$	34,911	$	49,647