CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended											6 Months Ended				9 Months Ended				12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019		Dec. 31, 2018		Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018		Jun. 30, 2019		Jun. 30, 2018		Sep. 30, 2019		Sep. 30, 2018		Dec. 31, 2019		Dec. 31, 2018	[1]	Sep. 30, 2018	Sep. 30, 2017	[1]
Cash flows from operating activities:
Net income		$ 4,071	$ (4,273)	$ (4,213)		$ 8,099		$ (3,077)	$ (4,651)	$ 25,254		$ (8,486)		$ 20,603		$ (4,415)		$ 17,526		$ 1,693		$ 25,625
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation				1,547						1,074		2,975		2,150		4,348		3,519		5,916		4,927
Amortization of deferred financing fees				73						59		157		114		228		184		311		192
Amortization of restricted stock				365						298		738		658		1,110		673		1,492		995
Equity in loss of unconsolidated joint ventures	$ 2,150	2,390	2,218	2,068		1,148		1,627	2,566	(253)		4,286		2,313		6,676		3,940		8,826		5,088
Equity in earnings on sale of real estate of unconsolidated ventures										(26,402)				(26,402)				(26,402)						$ (9,932)	$ (37,869)
Gain on sale of real estate										(437)				(437)		(9,938)		(861)		(10,618)		(861)
Loss on extinguishment of debt	0	1,387	0	0		0		0	0	0				0		1,387		0		1,387		0
Distributions from equity in earnings of unconsolidated joint ventures																				7,442		23,030
Increases and decreases from changes in other assets and liabilities:
Decrease (increase) in deposits and escrows				690						5,553		305		4,992		422		4,252		1,975		5,176
Increase in accounts payable and accrued liabilities				1,704						59		4,772		367		5,834		321		3,766		1,002
Decrease (increase) in other assets				(1,918)						(100)		(2,709)		(212)		(2,588)		(431)		(3,610)		(303)
Net cash provided by operating activities				316						20,285		2,038		19,326		3,064		17,897		8,648		27,002
Cash flows from investing activities:
Collections from real estate loans				150						150		300		300		450		450		600		600
Net costs capitalized to real estate owned				(390)						(75)		(861)		(165)		(1,169)		(278)		(1,580)		(530)
Purchase of partner interests																		(4,667)		(1,316)		(7,923)
Purchase of non-controlling interest										(250)				(250)				(250)		0		(251)
Proceeds from the sale of real estate owned										437				437		32,801		861		33,588		861
Distributions from unconsolidated joint ventures				4,101						27,948		8,523		31,331		12,034		34,355		20,713		52,363
Contributions to unconsolidated joint ventures				(12,287)						(32,810)		(24,348)		(47,010)		(29,069)		(47,010)				(59,930)		(29,069)
Net cash (used in) provided by investing activities				(8,426)						(4,600)		(16,386)		(15,357)		15,047		(16,539)		22,936		(14,810)
Cash flows from financing activities:
Mortgage payoffs				0						0		0		0		(20,635)		0		(20,635)		0
Mortgage principal payments				(775)						(533)		(1,528)		(1,051)		(2,189)		(1,666)		(2,912)		(2,351)
Proceeds from credit facility												9,000				13,500				15,200		0
Repayment of credit facility																(9,900)				(15,200)		0
Increase in deferred financing costs				0						0		(83)		0		(83)		0		(84)		0
Dividends paid				(3,181)						(2,856)		(6,361)		(5,788)		(9,871)		(8,939)		(13,468)		(12,088)
Distributions to non-controlling interests				(46)						(2)		(86)		(13)		(1,220)		(75)		(1,257)		(107)
Proceeds from the sale of common stock										1,401				11,926		774		20,411		7,517		20,412
Repurchase of shares of common stock												(46)				(46)		(41)		(46)		(162)
Net cash provided by (used in) financing activities				(4,002)						(1,990)		896		5,074		(29,670)		9,690		(30,885)		5,704
Net increase in cash, cash equivalents and restricted cash				(12,112)						13,695		(13,452)		9,043		(11,559)		11,048		699		17,896
Cash, cash equivalents and restricted cash at beginning of year	20,160	18,267	19,607	31,719	[1]	24,871		22,866	27,518	13,823	[1]	31,719	[1]	13,823	[1]	31,719	[1]	13,823	[1]	31,719	[1]	13,823
Cash, cash equivalents and restricted cash at end of year	$ 32,418	$ 20,160	$ 18,267	19,607		$ 31,719	[1]	$ 24,871	$ 22,866	27,518		18,267		22,866		20,160		24,871		32,418		31,719		$ 24,871
Supplemental disclosures of cash flow information:
Cash paid during the year for interest expense				1,863						1,352		3,789		2,706		5,616		4,310		7,511		6,185
Cash paid during the year for income and excise taxes				$ 10						$ 14		$ 44		$ 114		$ 44		$ 216		$ 324		$ 255

[1] * Amounts restated See footnotes 2 and 16 for more information.