Consolidated Statements Of Equity - USD ($) shares in Thousands, $ in Thousands	Series D Preferred Stock [Member] Accumulated Deficit [Member]	Series D Preferred Stock [Member] Parent [Member]	Series D Preferred Stock [Member]	Series E Preferred Stock [Member] Accumulated Deficit [Member]	Series E Preferred Stock [Member] Parent [Member]	Series E Preferred Stock [Member]	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2015							$ 38	$ 8	$ 138,428	$ (105,858)	$ 32,616	$ 1,879	$ 34,495
Balance, shares at Dec. 31, 2015							3,803	760
Stock-based compensation									100		100		100
Stock-based compensation, shares								2
Long-term incentive plan												128	128
Preferred dividends declared	$ (2,115)	$ (2,115)	$ (2,115)
Common stock dividends declared (per share)										(198)	(198)		(198)
Redemption of Series A and Series B Preferred							$ (8)		(7,390)	(5,107)	(12,505)		(12,505)
Redemption of Series A and Series B Preferred, shares							(803)
Exchange of Series C Preferred and issuance of Series D Preferred							$ 61,305		(12,517)	(20,417)	28,371		28,371
Exchange of Series C Preferred and issuance of Series D Preferred, shares							3,245
Net earnings										18,255	18,255	628	18,883
Balance at Sep. 30, 2016							$ 61,335	$ 8	118,621	(115,440)	64,524	2,635	67,159
Balance, shares at Sep. 30, 2016							6,245	762
Balance at Dec. 31, 2016							$ 61,333	$ 8	118,655	(112,024)	67,972	2,827	70,799
Balance, shares at Dec. 31, 2016							6,245	763
Stock-based compensation								$ 1	579		580		580
Stock-based compensation, shares								90
Long-term incentive plan												85	85
Conversion of Series D Preferred to common stock and issuance of Series E Preferred							$ (51,283)	$ 60	61,273	(11,090)	(1,040)		(1,040)
Conversion of Series D Preferred to common stock and issuance of Series E Preferred, shares							(5,320)	6,005
Issuance of common stock								$ 47	45,893		45,940		45,940
Issuance of common stock, shares								4,801
Fractional common shares settled in reverse stock split									$ (1)		$ (1)		(1)
Issuance of common units												$ 435	435
Cancellation of LTIP units									1,941		1,941	(1,941)
Warrant exchange									$ 289		$ 289		289
Preferred dividends declared	$ (650)	$ (650)	$ (650)	$ (339)	$ (339)	$ (339)
Common stock dividends declared (per share)										(6,795)	(6,795)		(6,795)
Net earnings										1,543	1,543	$ 10	1,553
Balance at Sep. 30, 2017							$ 10,050	$ 116	$ 228,629	$ (129,355)	$ 109,440	$ 1,416	$ 110,856
Balance, shares at Sep. 30, 2017							925	11,659