CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (59,605)us-gaap_ProfitLoss	$ (29,194)us-gaap_ProfitLoss	$ (31,652)us-gaap_ProfitLoss
Adjustments to reconcile net loss to net cash used in operating activities:
Provision (benefit) for deferred income taxes	(3,315)us-gaap_DeferredIncomeTaxExpenseBenefit	2,870us-gaap_DeferredIncomeTaxExpenseBenefit	(128)us-gaap_DeferredIncomeTaxExpenseBenefit
Depreciation and amortization expense	11,615	10,986	5,154
Stock based compensation expense	7,067us-gaap_ShareBasedCompensation	5,977us-gaap_ShareBasedCompensation	3,873us-gaap_ShareBasedCompensation
(Gain) loss on sale or impairment of investments	(3,655)	(23,642)	120
Foreign exchange loss on liquidation of subsidiary	9,336
Loss from discontinued operations, net			3,143
Derivative instruments	929	707	(4,301)
Impairment loss on intangible and long-lived assets	13,084	1,410
Equity in loss of unconsolidated affiliate	2,076	565
Changes in assets and liabilities, net of effects of acquisitions and dispositions:
Notes and other receivables	3,942us-gaap_IncreaseDecreaseInReceivables	(4,179)us-gaap_IncreaseDecreaseInReceivables	(3,820)us-gaap_IncreaseDecreaseInReceivables
Real estate, water, and intangible assets	(134,557)	(32,375)	(3,935)
Inventory	(3,820)us-gaap_IncreaseDecreaseInInventories	211us-gaap_IncreaseDecreaseInInventories	(8,054)us-gaap_IncreaseDecreaseInInventories
Income taxes	3,624	151	165
Other assets	(1,961)	(1,472)	(7,838)
Deferred compensation	423	1,553	(14,376)
Accounts payable and accrued expenses	6,739	6,870	14,987
All other operating activities, net	(14)	998	790
Cash used in operating activities - continuing operations	(148,092)	(58,564)	(45,872)
Cash used in operating activities - discontinued operations			(3,759)
Net cash used in operating activities	(148,092)	(58,564)	(49,631)
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from the sale of debt and equity securities	31,036	22,676	16,124
Proceeds from maturity of debt securities		1,809	831
Purchases of debt and equity securities	(11,046)	(20,290)	(10,446)
Decrease in restricted deposits	24	2,047	7,328
Purchases of property, plant and equipment	(11,657)	(4,724)	(32,918)
Cash acquired (used) in the acquisition of a consolidated subsidiary	(14,006)us-gaap_CashAcquiredFromAcquisition	174us-gaap_CashAcquiredFromAcquisition
All other investing activities, net	757	1,030	(7,694)
Cash provided by (used in) investing activities - continuing operations	(4,892)	2,722	(26,775)
Cash provided by investing activities - discontinued operations			11,446
Net cash provided by (used in) investing activities	(4,892)	2,722	(15,329)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock of subsidiary, net of expenses		105,454
Proceeds from debt	184,684us-gaap_ProceedsFromIssuanceOfDebt	67,868us-gaap_ProceedsFromIssuanceOfDebt	55,892us-gaap_ProceedsFromIssuanceOfDebt
Repayment of debt	(101,462)us-gaap_RepaymentsOfDebt	(79,157)us-gaap_RepaymentsOfDebt	(14,164)us-gaap_RepaymentsOfDebt
Debt issuance costs	(1,920)us-gaap_PaymentsOfDebtIssuanceCosts
Exercise of RSU and payment of withholding taxes	(5,737)
Sale (purchase) of treasury stock	220		(645)
All other financing activities, net	242		(1,020)
Cash provided by financing activities	76,027	94,165	40,063
Effect of exchange rate changes on cash	1,896	(399)	(535)
Net increase (decrease) in cash and cash equivalents	(75,061)	37,924	(25,432)
Cash and cash equivalents, beginning of year	138,039	100,115	125,547
Cash and cash equivalents, end of year	62,978	138,039	100,115
Cash paid during the year for:
Payment (refund) of federal, foreign and state income taxes	(3,817)us-gaap_IncomeTaxesPaidNet	185us-gaap_IncomeTaxesPaidNet	2,913us-gaap_IncomeTaxesPaidNet
Interest paid, net of amounts capitalized	5,183us-gaap_InterestPaidNet	6,801us-gaap_InterestPaidNet	1,035us-gaap_InterestPaidNet
Non-cash investing and financing activities:
Issuance of common stock for vested restricted stock units	11,463us-gaap_ConversionOfStockAmountIssued1
Fair value of assets acquired in Citizens acquisition	19,418
Cash paid for the acquisition of consolidated subsidiaries	(14,006)
Contingent consideration and liabilities assumed in Citizens acquisition	5,412
Accrued debt issuance costs	473
Exercise of land purchase options acquired with acquisition of business	141
Unpaid liability incurred for construction costs	917	98	538
Mortgage incurred to purchase real estate		6,605	5,420
Increase in assets from business combination with Spigit		21,432
Increase in liabilities from business combination with Spigit		20,377
Decrease in assets from disposition of Spigit		24,800
Decrease in liabilities from disposition of Spigit		18,900
Conversion of note receivable to common stock in Spigit		$ 820

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