CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 15,212	$ 41,644
Restricted cash	60,278	63,635
Accounts receivable, net of allowance of $3,382 and $3,610, respectively	19,327	17,113
Inventory	14,274	7,273
Prepaid expenses and other current assets	13,410	6,745
Total current assets	122,501	136,410
Property and equipment, net	882,695	971,119
Intangible and other assets, net of accumulated amortization of $7,930 and $7,314, respectively	40,286	21,736
Total assets	1,045,482	1,129,265
Current liabilities:
Current portion of long-term debt	96,249	79,215
Accounts payable	6,995	6,048
Accrued contract termination charge	0	21,002
Accrued expenses	23,085	20,754
Payables to affiliates	656	225
Derivative liabilities	757	1,326
Deferred revenue	31,938	31,747
Total current liabilities	159,680	160,317
Long-term debt, less current portion	367,202	434,651
Employee benefit obligations	4,489	4,389
Derivative liabilities	146,108	226,659
Deferred revenue	5,692	6,052
Other non-current liabilities	3,366	5,973
Total non-current liabilities	526,857	677,724
Commitments and contingent liabilities (Notes 8 and 9)
Stockholders’ equity:
Preferred Stock	0	0
Additional paid-in capital	1,937,364	1,869,339
Accumulated other comprehensive loss	(3,839)	(6,939)
Retained deficit	(1,574,725)	(1,571,302)
Total stockholders’ equity	358,945	291,224
Total liabilities and stockholders’ equity	1,045,482	1,129,265
Series A Preferred Stock
Stockholders’ equity:
Preferred Stock	0	0
Common Stock
Stockholders’ equity:
Common Stock	145	126
Nonvoting Common Stock
Stockholders’ equity:
Common Stock	$ 0	$ 0