Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 4,923,259	$ 748,476
Short-term investments	14,742	3,409
Accounts receivable, net	429,990	396,245
Other current assets	206,026	319,396
Total current assets	5,574,017	1,467,526
Long-term investments	6,461	10,042
Property, plant and equipment, net	7,605,829	7,199,210
Goodwill	3,053,026	2,986,064
Intangible assets, net	710,706	719,231
Other assets	234,645	226,298
Total assets	17,184,684	12,608,371
Current liabilities:
Accounts payable and accrued expenses	515,959	581,739
Accrued property, plant and equipment	190,176	144,842
Current portion of capital lease and other financing obligations	99,202	101,046
Current portion of mortgage and loans payable	80,799	67,928
Other current liabilities	133,932	133,140
Total current liabilities	1,020,068	1,028,695
Capital lease and other financing obligations, less current portion	1,523,309	1,410,742
Mortgage and loans payable, less current portion	2,432,610	1,369,087
Senior notes	5,045,449	3,810,770
Other liabilities	645,409	623,248
Total liabilities	10,666,845	8,242,542
Commitments and contingencies (Note 10)
Stockholders' equity:
Common stock, $0.001 par value per share: 300,000,000 shares authorized; 77,911,859 and 71,409,015 shares outstanding	78	72
Additional paid-in capital	9,601,627	7,413,519
Treasury stock, at cost; 405,469 and 408,415 shares	(146,936)	(147,559)
Accumulated dividends	(2,115,963)	(1,969,645)
Accumulated other comprehensive loss	(882,736)	(949,142)
Retained earnings	61,769	18,584
Total stockholders' equity	6,517,839	4,365,829
Total liabilities and stockholders' equity	$ 17,184,684	$ 12,608,371