Condensed Consolidated Statements of Cash Flows - Unaudited - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating activities:
Cash used in operating activities - continuing operations	$ (34,571)	$ (58,341)
Cash provided by (used in) operating activities - discontinued agribusiness operations	(7,572)	970
Net cash used in operating activities	(42,143)	(57,371)
Investing activities:
Purchases of investments	(1,259)	(8,570)
Proceeds from sale of investments	6,605	12,291
Purchases of property, plant and equipment	$ (1,597)	(3,401)
Cash used in the acquisition of consolidated subsidiaries		(14,006)
Other investing activities, net	$ (1)	38
Cash provided by (used in) investing activities - continuing operations	3,748	(13,648)
Cash used in investing activities - discontinued agribusiness operations	(1,329)	(2,249)
Net cash provided by (used in) investing activities	2,419	(15,897)
Financing activities:
Repayment of debt	(49,361)	(53,570)
Payment of withholding taxes on exercise of RSU	(21)	$ (814)
Debt issuance costs	(450)
Proceeds from debt	$ 71,218	$ 50,733
Proceeds from the sale of treasury stock		111
Cash provided by (used in) financing activities	$ 21,386	(3,540)
Effect of exchange rate changes on cash		(105)
Decrease in cash and cash equivalents	$ (18,338)	(76,913)
Cash and cash equivalents, beginning of the period	62,978	138,039
Cash and cash equivalents, end of the period	44,640	61,126
Less cash and cash equivalents of discontinued agribusiness operations at the end of the period	300	10
Cash and cash equivalents of continuing operations, end of the period	44,340	61,116
Supplemental cash flow information:
Refunds of federal, foreign, and state income taxes	(74)	(2,011)
Interest paid, net of amounts capitalized (primarily in discontinued agribusiness operations)	2,441	2,502
Issuance of common stock for vested restricted stock units	$ 398	2,424
Fair value of assets acquired in Citizens acquisition		20,259
Cash paid for acquisition of consolidated subsidiaries		(14,006)
Contingent consideration and liabilities assumed in Citizens acquisition		$ 6,253