Income (Loss) Per Share (Details 1) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Loss from continuing operations allocated to common shareholders is not adjusted for:
Less: Undistributed (income) from continuing operations allocated to unvested shares	$ 0	$ (2,390)	$ 0
Loss attributable to redeemable noncontrolling interests in operating partnership	(12,483)	0	(6,404)
Total	$ (11,579)	$ 3,082	$ (6,102)
Weighted average diluted shares are not adjusted for:
Effect of unvested restricted shares/assumed conversion of operating partnership units (in shares)	19,202	485	19,621
Restricted Stock [Member]
Loss from continuing operations allocated to common shareholders is not adjusted for:
Less: Undistributed (income) from continuing operations allocated to unvested shares	$ 743	$ 3,082	$ 302
Weighted average diluted shares are not adjusted for:
Effect of unvested restricted shares/assumed conversion of operating partnership units (in shares)	373	485	174
Performance Shares [Member]
Loss from continuing operations allocated to common shareholders is not adjusted for:
Less: Undistributed (income) from continuing operations allocated to unvested shares	$ 161	$ 0	$ 0
Weighted average diluted shares are not adjusted for:
Effect of unvested restricted shares/assumed conversion of operating partnership units (in shares)	102	0	0
Redeemable Noncontrolling Interest in Operating Partnership
Weighted average diluted shares are not adjusted for:
Effect of unvested restricted shares/assumed conversion of operating partnership units (in shares)	18,727	0	19,447