Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
CURRENT ASSETS:
Cash and cash equivalents	$ 66,817	$ 63,516
Marketable securities	7,031	16,770
Accounts receivable, net (includes amounts owed by related parties of $0 and $36, respectively)	51,977	294,669
Inventories	78,907	97,508
Prepaid expenses and other assets	50,373	43,135
Restricted cash	0	12,845
Total current assets	255,105	528,443
Property, plant and equipment, net	563,072	493,196
Goodwill	191,477	188,275
Intangible assets, net	31,230	28,837
Investments	10,151	9,736
Other assets	16,877	19,586
Restricted cash	104,315	104,815
TOTAL ASSETS	1,172,227	1,372,888
CURRENT LIABILITIES:
Revolving lines of credit	22,423	16,679
Current maturities of long-term debt	4,696	5,746
Accounts payable (includes amounts owed to related parties of $0 and $1,101, respectively)	78,689	202,821
Accrued expenses and other liabilities	19,821	28,486
Deferred income taxes	9,031	14,899
Deferred revenue	0	16,680
Total current liabilities	134,660	285,311
Unfavorable lease obligation	17,800	19,170
Deferred income taxes	16,135	6,905
Contingent consideration for acquisitions	34,059	30,091
Long-term debt	252,246	247,183
Other liabilities	3,996	5,566
Total liabilities	$ 458,896	$ 594,226
COMMITMENTS AND CONTINGENCIES
EQUITY:
Common stock ($.0001 par value; 300,000,000 shares authorized; 44,283,281 and 44,422,881 shares outstanding, respectively)	$ 4	$ 4
Common stock—additional paid-in-capital	472,608	453,109
Retained earnings	265,300	321,083
Accumulated other comprehensive loss	(3,735)	(11)
Treasury stock (2,682,805 and 585,150 shares outstanding, respectively)	(24,341)	(4,412)
Total equity attributable to the Company's shareholders	709,836	769,773
Non-controlling interest	3,495	8,889
Total equity	713,331	778,662
TOTAL LIABILITIES AND EQUITY	$ 1,172,227	$ 1,372,888