CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	$ (212,371)	$ 17,088	$ 35,061
Adjustments:
Depreciation, depletion and amortization	45,085	41,715	29,980
Change in deferred income taxes	41,261	1,645	5,389
Change in unrecognized tax benefits	0	0	(6,251)
Equity in earnings of unconsolidated ventures	(16,008)	(8,685)	(8,737)
Distributions of earnings of unconsolidated ventures	12,741	5,721	6,360
Share-based compensation	4,246	3,417	16,809
Real estate cost of sales	87,733	84,665	104,899
Dry hole and unproved leasehold impairment costs	67,639	29,528	5,837
Real estate development and acquisition expenditures, net	(107,988)	(114,694)	(106,609)
Reimbursements from utility and improvement districts	15,176	66,047	9,945
Asset impairments	108,184	15,934	1,790
Gain on sale of assets	(879)	(38,038)	(5,161)
Other	4,680	5,887	2,391
Changes in:
Notes and accounts receivables	(978)	10,704	(3,864)
Prepaid expenses and other	3,026	2,180	(795)
Accounts payable and other accrued liabilities	(11,868)	(4,653)	(1,557)
Income taxes	(4,553)	(11,379)	3,290
Net cash provided by operating activities	35,126	107,082	88,777
Property, equipment, software, reforestation and other	(14,690)	(16,398)	(11,828)
Oil and gas properties and equipment	(49,717)	(101,145)	(96,069)
Acquisition of partner's interest in unconsolidated multifamily venture, net of cash	0	(20,155)
Acquisition of oil and gas properties	0	(1,100)	0
Investment in unconsolidated ventures	(26,349)	(14,692)	(857)
Proceeds from sale of assets	18,260	21,962	1,333
Return of investment in unconsolidated ventures	12,168	1,797	3,494
Net cash (used for) investing activities	(60,328)	(129,731)	(103,927)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of convertible senior notes, net	0	0	120,795
Proceeds from issuance of senior secured notes, net	0	241,947	0
Proceeds from issuance of tangible equity units, net	0	0	144,998
Payments of debt	(58,220)	(225,481)	(106,076)
Additions to debt	11,463	22,593	43,911
Deferred financing fees	(295)	(3,217)	(438)
Distributions to noncontrolling interests, net	(701)	(3,146)	(7,154)
Purchase of noncontrolling interests	0	(7,971)	0
Exercise of stock options	31	1,206	2,106
Repurchases of common stock	0	(24,595)	0
Payroll taxes on restricted stock and stock options	(762)	(1,043)	(1,137)
Excess income tax benefit from share-based compensation	1	176	91
Net cash (used for) provided by financing activities	(48,483)	469	197,096
Net (decrease) increase in cash and cash equivalents	(73,685)	(22,180)	181,946
Cash and cash equivalents at beginning of year	170,127	192,307	10,361
Cash and cash equivalents at year-end	96,442	170,127	192,307
Cash paid during the year for:
Interest	27,330	22,936	13,818
Income taxes paid (refunds)	(4,077)	18,322	4,955
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION:
Capitalized interest	2,938	1,154	816
Noncontrolling interests	$ 0	$ 2,904	2,907
Multi Family Property [Member]
Acquisition of partner's interest in unconsolidated multifamily venture, net of cash			$ 0