Summary of Significant Accounting Policies (Details Textual) - Real Estate Properties [Domain] - Variable Interest Entity, Classification [Domain] - Range [Domain] - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Interest Costs Capitalized		$ 1,900
Real Estate Property, Capitalized Of Indirect Costs		3,300
Business Interruption Insurance Recovery	$ 0	600
Marketing and Advertising Expense	500	400
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total	(651)	(992)
Insurance Settlements Receivable	4,600		$ 5,500
Deferred Finance Costs, Net	$ 12,900		11,700
Revenue Recognition Under Lease Term Description	The Company recognizes revenue on a straight-line basis over the term of the lease contracts which for new tenants is typically 11.5 months for Grove and evo properties and 12 months for Copper Beech properties.
Finite-Lived Intangible Assets, Accumulated Amortization	$ 5,500		4,800
Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total	9,232	$ (2,986)	177,700
Retained Earnings (Accumulated Deficit), Total	(288,726)		(301,566)
Other Assets	34,150		35,742
Costs for billing of contracts total	51,000		49,300
Scenario, Previously Reported [Member]
Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total			174,900
Retained Earnings (Accumulated Deficit), Total			298,800
Restatement Adjustment [Member]
Impairment Of Land And Predevelopment Costs			900
Copper Beech Trademark [Member]
Finite-Lived Intangible Assets, Net	3,700
Second Copper Beech [Member]
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	2,800
Leases, Acquired-in-Place [Member]
Amortization of Intangible Assets	8,700
Finite-Lived Intangible Assets, Accumulated Amortization	8,700
Finite-Lived Intangible Assets, Gross	26,000
Finite-Lived Intangible Assets, Net	17,300
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	$ 20,100
CSH Montreal [Member] | Restatement Adjustment [Member]
Other Assets			$ 1,900
Trs Subsidiary [Member]
Equity Method Investment, Ownership Percentage	100.00%