Basis of Presentation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Jun. 30, 2013	Jun. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Net Cash Provided by (Used in) Operating Activities
Net cash provided by (used in) operating activities					$ (274)	$ (727)
Net Cash Provided by (Used in) Financing Activities
Net cash provided by (used in) financing activities					682,747	68,892
Noncash Investing and Financing Activities
Asset management fees settled in shares	329	55	805	143	1,583	296	490
As Reported
Net Cash Provided by (Used in) Operating Activities
Net cash provided by (used in) operating activities	(319)		(6,116)	(470)		(987)	(5,850)
Net Cash Provided by (Used in) Financing Activities
Net cash provided by (used in) financing activities	144,894		388,748	49,499		69,152	163,253
Adjustments
Net Cash Provided by (Used in) Operating Activities
Net cash provided by (used in) operating activities	275		673	119		260	412
Net Cash Provided by (Used in) Financing Activities
Net cash provided by (used in) financing activities	(275)		(673)	(119)		(260)	(412)
As Revised
Net Cash Provided by (Used in) Operating Activities
Net cash provided by (used in) operating activities	(44)		(5,443)	(351)		(727)	(5,438)
Net Cash Provided by (Used in) Financing Activities
Net cash provided by (used in) financing activities	$ 144,619		$ 388,075	$ 49,380		$ 68,892	$ 162,841