Summary of Significant Accounting Policies - Reconciliation of Earnings Attributable to Common Shares Outstanding for the Basic and Diluted EPS (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	1 Months Ended	3 Months Ended	7 Months Ended	9 Months Ended
	Jul. 31, 2014	Sep. 30, 2013	Jul. 31, 2014	Sep. 30, 2013
Basic
Income (loss) from continuing operations	$ 2,400	$ 12,128	$ (2,572)	$ 22,776
Loss attributable to non-controlling interest	395	954	3,764	2,427
Preferred dividend of Series D Preferred Shares	(929)	(2,787)	(6,502)	(8,360)
Amount allocated to Restricted Common Shares	(11)	(106)	(192)	(235)
Income (loss) from continuing operations applicable to Common Shares	1,855	10,189	(5,502)	16,608
Income (loss) from discontinued operations	84	(1,395)	11,235	8,653
(Income) loss attributable to non-controlling interests from discontinued operations	0	41	54	(8)
Net income applicable to Common Shares for earnings per share purposes	1,939	8,835	5,787	25,253
Basic weighted-average Common Shares	35,825	33,076	35,821	33,047
Income (loss) from continuing operations	$ 0.05	$ 0.31	$ (0.15)	$ 0.50
Income (loss) from discontinued operations		$ (0.04)	$ 0.31	$ 0.26
Net income per Common Share - Basic	$ 0.05	$ 0.27	$ 0.16	$ 0.76
Diluted
Income (loss) from continuing operations	2,400	12,128	(2,572)	22,776
Loss attributable to non-controlling interest	395	954	3,764	2,427
Preferred dividend of Series D Preferred Shares	(929)	(2,787)	(6,502)	(8,360)
Amount allocated to Restricted Common Shares	(11)	(106)	(192)	(235)
Income (loss) from continuing operations applicable to Common Shares	1,855	10,189	(5,502)	16,608
Income (loss) from discontinued operations	84	(1,395)	11,235	8,653
(Income) loss attributable to non-controlling interests from discontinued operations	0	41	54	(8)
Net income applicable to Common Shares for earnings per share purposes	1,939	8,835	5,787	25,253
Basic weighted-average Common Shares	35,825	33,076	35,821	33,047
Stock options	0	2	0	2
Diluted weighted-average Common Shares	35,975	33,148	35,821	33,089
Income (loss) from continuing operations	$ 0.05	$ 0.31	$ (0.15)	$ 0.50
Income (loss) from discontinued operations		$ (0.04)	$ 0.31	$ 0.26
Net income per Common Share - Diluted	$ 0.05	$ 0.27	$ 0.16	$ 0.76
Restricted Shares [Member]
Basic
Amount allocated to Restricted Common Shares	(11)	(106)	(192)	(235)
Diluted
Amount allocated to Restricted Common Shares	$ (11)	$ (106)	$ (192)	$ (235)
Restricted shares	150	70	0	40