CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net income (loss)	$ 16,752	$ (90,498)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	117,084	55,137
Loss on disposal of assets	308	1,253
Loss from equity method investments	0	92,181
Loss on early extinguishment of debt	8,234	0
Impairment of buildings, vessels and equipment	4,708	0
Amortization of debt issuance costs and debt discounts	6,330	3,351
Share-based compensation expense	8,630	5,421
Changes in operating assets and liabilities:
Receivables, net	2,302	518
Prepaid expenses and other	(20,237)	(8,168)
Accounts payable, accrued expenses and other	(9,797)	17,360
Net cash provided by operating activities	134,314	76,555
Cash flows from investing activities:
Capital expenditures	(149,746)	(106,389)
Net proceeds from sale of discontinued operations	252,329	0
Equity method investments, inclusive of capitalized interest	(25)	(2,298)
Purchase of held-to-maturity debt securities	0	(5,853)
Proceeds from matured investments	0	4,428
Proceeds from sale of property and equipment	98	298
Purchase of intangible assets	(25,000)	0
Proceeds from non-refundable deposit	0	2,550
Escrow refund	25,000	0
Proceeds from Sale of Loans Receivable	543	(4,586)
Refund of restricted cash	5,925	0
Net cash provided by (used in) investing activities	109,124	(111,850)
Cash flows from financing activities:
Proceeds from Credit Facility	194,300	50,000
Repayments under Credit Facility	(473,309)	(30,000)
Repayments of long-term debt	0	(1,625)
Proceeds from common stock options exercised, net	4,060	2,288
Distribution to non-controlling interest minority owner	0	(911)
Debt issuance and other financing costs	(402)	(16)
Net cash provided by (used in) financing activities	(275,351)	19,736
Change in cash and cash equivalents	(31,913)	(15,559)
Cash and cash equivalents at the beginning of the period	198,575	101,792
Cash and cash equivalents at the end of the period	166,662	86,233
Supplemental cash flow information:
Cash paid for interest, net of amounts capitalized	122,132	53,832
Cash payments (refund) related to income taxes, net	(2,108)	2,227
Decrease in construction-related deposits and liabilities	(9,521)	(16,047)
Increase in accrued liabilities associated with recognized intangible asset	$ (25,000)	$ 0