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									54		54		54
Preferred dividends declared	$ (1,139)	$ (1,139)	$ (1,139)
Long-term incentive plan												85	85
Redemption of Series A and Series B Preferred Stock							$ (8)		(7,390)	(5,107)	(12,505)		(12,505)
Redemption of Series A and Series B Preferred Stock, shares							(803)
Exchange of Series C Preferred and issuance of Series D							$ 61,351		(12,517)	(20,417)	28,417		28,417
Exchange of Series C Preferred and issuance of Series D Preferred Stock, shares							3,245
Net earnings										15,463	15,463	567	16,030
Balance at Jun. 30, 2016							$ 61,381	$ 8	118,575	(117,058)	62,906	2,531	65,437
Balance, shares at Jun. 30, 2016							6,245	760
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	71		72		72
Stock-based compensation, shares								88
Preferred dividends declared	$ (650)	$ (650)	$ (650)	$ (194)	$ (194)	$ (194)
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	(11,030)	(980)		(980)
Conversion of Series D Preferred to common stock and issuance of Series E Preferred, shares							(5,320)	6,005
Issuance of common stock								$ 47	45,841		45,888		45,888
Issuance of common stock, shares								4,772
Fractional common shares settled in reverse stock split									$ (1)		$ (1)		(1)
Issuance of common units												$ 285	285
Cancellation of LTIP units									1,941		1,941	(1,941)
Common stock dividends declared ($0.39 dividends per share)										(4,520)	$ (4,520)		(4,520)
Warrant exchange									$ 289		289		289
Net earnings										2,575	2,575	$ 17	2,592
Balance at Jun. 30, 2017							$ 10,050	$ 116	$ 228,069	$ (125,843)	$ 112,392	$ 1,273	$ 113,665
Balance, shares at Jun. 30, 2017							925	11,628