Summary of Significant Accounting Policies - Reconciliation of Earnings Attributable to Common Shares Outstanding for the Basic and Diluted EPS (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Basic
Income (loss) from continuing operations	$ (4,907)	$ 9,733
Net loss attributable to non-controlling interest	1,389	795
Preferred dividend of Series D Preferred Shares	(2,787)	(2,787)
Income (loss) from continuing operations applicable to Common Shares	(6,401)	7,739
Income loss from discontinued operations	4,105	3,218
Loss attributable to non-controlling interest from discontinued operations	54
Net income (loss) attributable to Common Shares	(2,242)	10,957
Basic Weighted-Average Common Shares	35,816	33,027
Income (loss) from continuing operations	$ (0.18)	$ 0.23
Income (loss) from discontinued operations	$ 0.12	$ 0.10
Net income (loss) per Common Share - Basic	$ (0.06)	$ 0.33
Diluted
Income (loss) from continuing operations	(4,907)	9,733
Net loss attributable to non-controlling interest	1,389	795
Preferred dividend of Series D Preferred Shares	(2,787)	(2,787)
Income (loss) from continuing operations applicable to Common Shares	(6,401)	7,739
Income from discontinued operations	4,105	3,218
Loss attributable to non-controlling interest from discontinued operations	54
Net income (loss) attributable to Common Shares	(2,242)	10,957
Basic Weighted-Average Common Shares	35,816	33,027
Stock options		2,000
Diluted Weighted-Average Common Shares	35,816	33,029
Income (loss) from continuing operations	$ (0.18)	$ 0.23
Income (loss) from discontinued operations	$ 0.12	$ 0.10
Net income (loss) per Common Share - Diluted	$ (0.06)	$ 0.33
Restricted Stock [Member]
Basic
Amount allocated to Restricted Shares	(96)	(2)
Diluted
Amount allocated to Restricted Shares	$ (96)	$ (2)
Restricted Shares