Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details Textual 1) (USD $)	11 Months Ended	12 Months Ended
	Dec. 31, 2013 unit State	Jan. 31, 2013	Jan. 31, 2012
Accounting Policies (Textual) [Abstract]
Number of strategic business units	3
Number of reportable segments	6
Number of operating segments	4
Assets	$ 8,952,025,000	$ 10,612,432,000
Number of states in which entity has consolidated assets	26
Land parcels reclassified from projects under construction and development to land inventory		34,250,000
Maximum period from cessation of construction activity to project completion and availability for occupancy	1 year
HIstoric and New Market Tax Credits Entities (Textuals) [Abstract]
Put/call provisions maximum contract term	7 years
Minimum compliance regulation on tax credit	0 years
Maximum compliance regulation on tax credit	7 years
Income related to the sale of tax credits	$ 19,347,000	$ 20,800,000	$ 27,296,000
Arena [Member]
Accounting Policies (Textual) [Abstract]
Naming rights agreement contract term	20 years
Estimated useful life of property	34 years 6 months
Minimum [Member]
Accounting Policies (Textual) [Abstract]
Lease terms of tenants in retail centers and office buildings	1 year
Expected lease-up period	3 months
Minimum [Member] | Arena [Member]
Accounting Policies (Textual) [Abstract]
Arena founding partner and sponsor agreement term	1 year
Arena suite license agreement term	1 year
Minimum [Member] | Building and Building Improvements [Member]
Accounting Policies (Textual) [Abstract]
Estimated useful life of property	40 years
Maximum [Member]
Accounting Policies (Textual) [Abstract]
Lease terms of tenants in retail centers and office buildings	30 years
Expected lease-up period	12 months
Maximum [Member] | Arena [Member]
Accounting Policies (Textual) [Abstract]
Arena founding partner and sponsor agreement term	7 years
Arena suite license agreement term	7 years
Maximum [Member] | Building and Building Improvements [Member]
Accounting Policies (Textual) [Abstract]
Estimated useful life of property	50 years