OPERATING PROPERTIES AND REAL ESTATE HELD FOR DEVELOPMENT OR SALE 2 (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($) Project
Movement in Real Estate Acquired Through Foreclosure [Roll Forward]
Beginning balance	$ 152,867
Additions:
Capital cost additions	8,003
Reductions:
Cost of properties sold	(3,106)
Basis adjustment for TIF receivable and liability forgiveness	(4,118)
Depreciation and amortization	(3,006)
Transfers, net	0
Ending balance	150,640
Operating Properties [Member]
Movement in Real Estate Acquired Through Foreclosure [Roll Forward]
Beginning balance	116,156
Additions:
Capital cost additions	7,842
Reductions:
Cost of properties sold	0
Basis adjustment for TIF receivable and liability forgiveness	0
Depreciation and amortization	(3,006)
Transfers, net	(31,685)
Ending balance	$ 89,307
Movement in Mortgage Loans On Real Estate Number Of Projects [Roll Forward]
Beginning balance (in projects) | Project	4
Number of Projects, Additions:
Capital costs/ additions (in projects) | Project	0
Number of Projects, Reductions:
Cost of properties sold (in projects) | Project	0
Basis adjustment for TIF receivable and liability forgiveness (in projects) | Project	0
Depreciation and amortization (in projects) | Project	0
Transfers, net (in projects) | Project	2
Ending balance (in projects) | Project	2
Real Estate Held For Development [Member]
Movement in Real Estate Acquired Through Foreclosure [Roll Forward]
Beginning balance	$ 3,664
Additions:
Capital cost additions	45
Reductions:
Cost of properties sold	0
Basis adjustment for TIF receivable and liability forgiveness	0
Depreciation and amortization	0
Transfers, net	(3,709)
Ending balance	$ 0
Movement in Mortgage Loans On Real Estate Number Of Projects [Roll Forward]
Beginning balance (in projects) | Project	2
Number of Projects, Additions:
Capital costs/ additions (in projects) | Project	0
Number of Projects, Reductions:
Cost of properties sold (in projects) | Project
Basis adjustment for TIF receivable and liability forgiveness (in projects) | Project	0
Depreciation and amortization (in projects) | Project	0
Transfers, net (in projects) | Project	2
Ending balance (in projects) | Project	0
Real Estate Held For Sale [Member]
Movement in Real Estate Acquired Through Foreclosure [Roll Forward]
Beginning balance	$ 5,346
Additions:
Capital cost additions	1
Reductions:
Cost of properties sold	(2,825)
Basis adjustment for TIF receivable and liability forgiveness	4,118
Depreciation and amortization	0
Transfers, net	47,470
Ending balance	$ 45,874
Movement in Mortgage Loans On Real Estate Number Of Projects [Roll Forward]
Beginning balance (in projects) | Project	8
Number of Projects, Additions:
Capital costs/ additions (in projects) | Project	0
Number of Projects, Reductions:
Cost of properties sold (in projects) | Project	(4)
Basis adjustment for TIF receivable and liability forgiveness (in projects) | Project	0
Depreciation and amortization (in projects) | Project	0
Transfers, net (in projects) | Project	10
Ending balance (in projects) | Project	14
Other Real Estate Owned [Member]
Movement in Real Estate Acquired Through Foreclosure [Roll Forward]
Beginning balance	$ 27,701
Additions:
Capital cost additions	115
Reductions:
Cost of properties sold	(281)
Basis adjustment for TIF receivable and liability forgiveness	0
Depreciation and amortization	0
Transfers, net	(12,076)
Ending balance	$ 15,459
Movement in Mortgage Loans On Real Estate Number Of Projects [Roll Forward]
Beginning balance (in projects) | Project	14
Number of Projects, Additions:
Capital costs/ additions (in projects) | Project	0
Number of Projects, Reductions:
Cost of properties sold (in projects) | Project	(1)
Basis adjustment for TIF receivable and liability forgiveness (in projects) | Project	0
Depreciation and amortization (in projects) | Project	0
Transfers, net (in projects) | Project	6
Ending balance (in projects) | Project	7