Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 633,758	$ 2,228,838
Short-term investments	12,353	12,875
Accounts receivable, net	326,440	291,964
Current portion of restricted cash	3,420	479,417
Other current assets	236,466	212,929
Assets held for sale	955,904	33,257
Total current assets	2,168,341	3,259,280
Long-term investments	3,969	4,584
Property, plant and equipment, net	6,888,232	5,606,436
Goodwill	3,336,968	1,063,200
Intangible assets, net	867,536	224,565
Other assets	230,789	198,630
Total assets	13,495,835	10,356,695
Current liabilities:
Accounts payable and accrued expenses	475,343	400,948
Accrued property, plant and equipment	124,684	103,107
Current portion of capital lease and other financing obligations	48,325	40,121
Current portion of mortgage and loans payable	487,065	770,236
Current portion of convertible debt	148,282	146,121
Other current liabilities	171,925	192,286
Liabilities held for sale	124,571	3,535
Total current liabilities	1,580,195	1,656,354
Capital lease and other financing obligations, less current portion	1,552,145	1,287,139
Mortgage and loans payable, less current portion	1,139,807	472,769
Senior notes	3,806,167	3,804,634
Other liabilities	598,416	390,413
Total liabilities	$ 8,676,730	$ 7,611,309
Commitments and contingencies (Note 10)
Stockholders' equity:
Common stock	$ 69	$ 62
Additional paid-in capital	6,973,460	4,838,444
Treasury stock	(6,635)	(7,373)
Accumulated dividends	(1,591,908)	(1,468,472)
Accumulated other comprehensive loss	(416,554)	(509,059)
Accumulated deficit	(139,327)	(108,216)
Total stockholders’ equity	4,819,105	2,745,386
Total liabilities and stockholders’ equity	$ 13,495,835	$ 10,356,695