CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash Flow From Operating Activities:
Net income (loss)	$ (2,410)	$ (3,287)	$ 40,173
Adjustments to reconcile net income (loss) applicable to common shares to net cash provided by (used) in operating activities:
Gain on sale of land	(3,121)	(21,648)	(561)
Gain on sale of income producing properties	(16,207)	(735)	(61,879)
Depreciation and amortization	23,785	21,418	18,345
Provision on impairment of real estate assets		5,300
Amortization of deferred borrowing costs	4,357	2,842	4,017
Losses from unconsolidated subsidiaries and investees	493	1,327	54
(Increase) decrease in assets:
Accrued interest receivable	(1,151)	(1,242)	10,095
Other assets	(2,343)	2,683	2,034
Prepaid expense	(9,222)	(13,851)	(2,071)
Escrow	7,584	(1,261)	(17,232)
Earnest money	(571)	(1,193)	180
Rent receivables	2,844	(2,168)	(1,384)
Increase (decrease) in liabilities:
Accrued interest payable	3,475	(255)	157
Related party payables	(706)	(11,027)	(7,329)
Other liabilities	10,639	(11,412)	(22,567)
Net cash provided by (used in) operating activities	17,446	(34,509)	(37,968)
Cash Flow From Investing Activities:
Proceeds from notes receivables	6,532	14,744	27,767
Origination of notes receivables	(11,703)	(18,055)	(34,092)
Acquisition of land held for development	(12,508)		(5,936)
Acquisition of income producing properties	(79,736)	(207,313)	(78,557)
Proceeds from sale of income producing properties	21,850		132,917
Proceeds from sale of land	29,128	108,356	8,391
Investment in unconsolidated real estate entities	2,278	4,086	(544)
Improvement of land held for development	(3,023)	(6,158)	(3,137)
Improvement of income producing properties	(5,998)	(8,955)	(5,019)
Acquisition of non-controlling interest		(336)	(289)
Sale of non-controlling interest		(336)	(289)
Sale of controlling interest	3,021
Construction and development of new properties	(10,941)	(16,717)	(3,016)
Net cash provided by (used in) investing activities	(61,100)	(130,348)	38,485
Cash Flow From Financing Activities:
Proceeds from notes payable	242,215	412,326	183,766
Recurring amortization of principal on notes payable	(22,851)	(26,668)	(22,243)
Payments on maturing notes payable	(173,160)	(195,549)	(163,494)
Debt assumption by buyer		(16,688)
Deferred financing costs	841	(6,734)	(6,959)
Stock-secured borrowings			(568)
Distributions to non-controlling interests		11	(333)
Preferred stock dividends - Series A	(1,101)	(1,216)	(2,043)
Conversion of preferred stock into common stock		2,308	7,219
Net cash provided by (used in) financing activities	45,944	167,790	(4,655)
Net increase (decrease) in cash and cash equivalents	2,290	2,933	(4,138)
Cash and cash equivalents, beginning of period	15,232	12,299	16,437
Cash and cash equivalents, end of period	12,822	15,232	12,299
Supplemental disclosures of cash flow information:
Cash paid for interest	$ 50,945	$ 44,672	$ 37,158