CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash Flow From Operating Activities:
Net income (loss)	$ 40,173us-gaap_NetIncomeLoss	$ 51,724us-gaap_NetIncomeLoss	$ (6,711)us-gaap_NetIncomeLoss
Adjustments to reconcile net income (loss) applicable to common shares to net cash used in operating activities
(Gain) loss on sale of land	(561)us-gaap_GainLossOnDispositionOfAssets	455us-gaap_GainLossOnDispositionOfAssets	(5,475)us-gaap_GainLossOnDispositionOfAssets
Gain on sale of income producing properties	(61,879)	(98,951)	(8,885)
Depreciation and amortization	18,345us-gaap_DepreciationAndAmortization	21,518us-gaap_DepreciationAndAmortization	22,563us-gaap_DepreciationAndAmortization
Provision on impairment of notes receivable and real estate assets	0	18,980	4,730
Amortization of deferred borrowing costs	4,017us-gaap_AmortizationOfDeferredCharges	1,442us-gaap_AmortizationOfDeferredCharges	2,478us-gaap_AmortizationOfDeferredCharges
(Earnings) losses from unconsolidated subsidiaries and investees	54	(391)	(372)
(Increase) decrease in assets:
Accrued interest receivable	10,095	(12,895)	(6,117)
Other assets	2,034	(2,242)	(5,854)
Prepaid expense	(2,071)	(1,722)	(351)
Escrow	(17,232)fil_IncreaseDecreaseEscrow	3,532fil_IncreaseDecreaseEscrow	2,216fil_IncreaseDecreaseEscrow
Earnest money	180	(535)	235
Rent receivables	(1,384)fil_IncreaseDecreaseRentReceivables	3,807fil_IncreaseDecreaseRentReceivables	(286)fil_IncreaseDecreaseRentReceivables
Increase (decrease) in liabilities:
Accrued interest payable	157	(5,116)	(8,467)
Related party payables	(7,329)	(25,008)	623
Other liabilities	(22,567)	3,240	(17,180)
Net cash used in operating activities	(37,968)	(42,162)	(26,853)
Cash Flow From Investing Activities:
Proceeds from notes receivable	27,767	2,855	16,055
Origination of notes receivables	(34,092)	(21,202)	(10,189)
Acquisition of land held for development	(5,936)fil_AcquisitionOfLandHeldForDevelopment	(83)fil_AcquisitionOfLandHeldForDevelopment	(8,503)fil_AcquisitionOfLandHeldForDevelopment
Acquisition of income producing properties	(78,557)	0	0
Proceeds from sale of income producing properties	132,917	259,115	42,874
Proceeds from sale of land	8,391	14,806	39,766
Proceeds from sale of investments	0fil_ProceedsFromSaleOfInvestments	0fil_ProceedsFromSaleOfInvestments	132fil_ProceedsFromSaleOfInvestments
Investment in unconsolidated real estate entities	(544)	4,770	2,654
Improvement of land held for development	(3,137)	(399)	(184)
Improvement of income producing properties	(5,019)us-gaap_PaymentsForCapitalImprovements	(7,681)us-gaap_PaymentsForCapitalImprovements	(2,507)us-gaap_PaymentsForCapitalImprovements
Acquisition of non-controlling interest	0	(75)	(355)
Sale of non-controlling interest	(289)fil_SaleOfNonControllingInterest	774fil_SaleOfNonControllingInterest	(1,468)fil_SaleOfNonControllingInterest
Sale of controlling interest	0fil_SaleOfControllingInterest	50fil_SaleOfControllingInterest	1,339fil_SaleOfControllingInterest
Construction and development of new properties	(3,016)	(1,153)	(5,790)
Net cash provided by investing activities	38,485	251,777	73,824
Cash Flow From Financing Activities:
Proceeds from notes payable	183,766us-gaap_ProceedsFromNotesPayable	203,885us-gaap_ProceedsFromNotesPayable	143,449us-gaap_ProceedsFromNotesPayable
Recurring amortization of principal on notes payable	(22,243)	(18,232)	(23,022)
Payments on maturing notes payable	(163,494)us-gaap_RepaymentsOfNotesPayable	(390,941)us-gaap_RepaymentsOfNotesPayable	(167,771)us-gaap_RepaymentsOfNotesPayable
Deferred financing costs	(6,959)us-gaap_PaymentsOfFinancingCosts	1,837us-gaap_PaymentsOfFinancingCosts	(3,750)us-gaap_PaymentsOfFinancingCosts
Stock-secured borrowings	(568)fil_StockSecuredBorrowingsAndMarginDebt	(411)fil_StockSecuredBorrowingsAndMarginDebt	0fil_StockSecuredBorrowingsAndMarginDebt
Distributions to non-controlling interests	(333)	(263)	(338)
Preferred stock dividends - Series A	(2,043)	(2,452)	(2,452)
Conversion of preferred stock into common stock	7,219	0	0
Net cash used in financing activities	(4,655)	(206,577)	(53,884)
Net increase (decrease) in cash and cash equivalents	(4,138)	3,038	(6,913)
Cash and cash equivalents, beginning of period	16,437	13,399	20,312
Cash and cash equivalents, end of period	12,299	16,437	13,399
Supplemental disclosures of cash flow information:
Cash paid for interest	37,158us-gaap_InterestPaid	44,240us-gaap_InterestPaid	48,606us-gaap_InterestPaid
Schedule of noncash investing and financing activities:
Note receivable received from affiliate	$ 0fil_NoteReceivableReceivedFromAffiliate	$ 0fil_NoteReceivableReceivedFromAffiliate	$ 9,279fil_NoteReceivableReceivedFromAffiliate

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