CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	$ 52,332	$ 60,179	$ (212,371)
Adjustments:
Depreciation, depletion and amortization	5,463	11,447	45,085
Change in deferred income taxes	(1,705)	(1,360)	41,261
Equity in earnings of unconsolidated ventures	(17,899)	(6,123)	(16,008)
Distributions of earnings of unconsolidated ventures	23,041	7,719	12,741
Share-based compensation	6,643	4,037	4,246
Real estate cost of sales	63,999	98,412	87,733
Dry hole and unproved leasehold impairment costs	0	0	67,639
Real estate development and acquisition expenditures, net	(103,904)	(81,179)	(107,988)
Reimbursements from utility and improvement districts	20,071	27,107	15,176
Asset impairments	47,172	60,939	108,184
Loss on debt extinguishment, net	611	35,864	0
Gain on sale of assets	(113,214)	(153,083)	(879)
Other	2,877	5,359	4,680
Changes in:
Notes and accounts receivables	2,686	13,214	(978)
Prepaid expenses and other	(1,345)	(133)	3,026
Accounts payable and other accrued liabilities	(7,236)	(16,711)	(11,868)
Income taxes	4,193	1,189	(4,553)
Net cash (used in) provided by operating activities	(16,215)	66,877	35,126
CASH FLOWS FROM INVESTING ACTIVITIES:
Property, equipment, software, reforestation and other	(52)	(6,138)	(14,690)
Oil and gas properties and equipment	(2,400)	(579)	(49,717)
Investment in unconsolidated ventures	(4,548)	(6,089)	(26,349)
Proceeds from sale of assets	130,146	427,849	18,260
Return of investment in unconsolidated ventures	11,398	5,700	12,168
Net cash provided by (used in) investing activities	134,544	420,743	(60,328)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of debt	(10,049)	(315,229)	(58,220)
Additions to debt	3,036	3,184	11,463
Deferred financing fees	(313)	0	(295)
Change in restricted cash	39,742	0	0
Distributions to noncontrolling interests, net	(2,125)	(2,579)	(701)
Settlement of equity awards	(12,786)	0	0
Exercise of stock options	616	0	0
Repurchases of common stock	0	(3,537)	0
Payroll taxes on restricted stock and stock options	(981)	(222)	(762)
Other	0	119	32
Net cash (used in) provided by financing activities	(62,344)	(318,264)	(48,483)
Net increase (decrease) in cash and cash equivalents	55,985	169,356	(73,685)
Cash and cash equivalents at beginning of year	265,798	96,442	170,127
Cash and cash equivalents at year-end	321,783	265,798	96,442
Cash paid during the year for:
Interest	4,913	14,790	27,330
Income taxes paid (refunds)	(2,699)	10,205	(4,077)
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION:
Capitalized interest	$ 1,655	$ 2,838	$ 2,938