OTHER INTANGIBLE ASSETS (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Intangible assets and liabilities
Amortization expenses	$ 72,361,000	$ 69,047,000	$ 68,644,000
Intangible liabilities
Net	(6,086,000)	(8,657,000)
Future accretion of acquisition related intangible liabilities
Net	(6,086,000)	(8,657,000)
Acquired Below-Market Leases
Intangible assets and liabilities
Amortization expenses	$ 2,571,000	$ 2,631,000	3,058,000
Intangible assets
Average useful life	8 years	8 years
Intangible liabilities
Gross balance	$ (19,722,000)	$ (20,333,000)
Accumulated amortization	13,636,000	11,676,000
Net	(6,086,000)	(8,657,000)
Future accretion of acquisition related intangible liabilities
2016	(2,502,000)
2017	(2,399,000)
2018	(963,000)
2019	(222,000)
Net	(6,086,000)	(8,657,000)
Acquired Above-Market Leases
Intangible assets and liabilities
Amortization expenses	240,000	602,000	888,000
Intangible assets
Gross balance	966,000	2,402,000
Accumulated amortization	(843,000)	(2,039,000)
Net	$ 123,000	$ 363,000
Average useful life	7 years	7 years
Future amortization of acquisition related intangible assets
2016	$ 88,000
2017	26,000
2018	9,000
Net	123,000	$ 363,000
Acquired in-place Leases
Intangible assets and liabilities
Amortization expenses	1,857,000	2,368,000	3,368,000
Intangible assets
Gross balance	21,398,000	22,680,000
Accumulated amortization	(16,943,000)	(16,470,000)
Net	$ 4,455,000	$ 6,210,000
Average useful life	8 years	8 years
Future amortization of acquisition related intangible assets
2016	$ 1,380,000
2017	949,000
2018	689,000
2019	488,000
2020	178,000
Thereafter	771,000
Net	4,455,000	$ 6,210,000
Tax Abatement
Intangible assets and liabilities
Amortization expenses	551,000	551,000	551,000
Intangible assets
Gross balance	4,273,000	4,273,000
Accumulated amortization	(2,322,000)	(1,771,000)
Net	$ 1,951,000	$ 2,502,000
Average useful life	8 years	8 years
Future amortization of acquisition related intangible assets
2016	$ 551,000
2017	551,000
2018	551,000
2019	298,000
Net	1,951,000	$ 2,502,000
Advance Bookings
Intangible assets and liabilities
Amortization expenses	0	190,000	61,000
Intangible assets
Net	0	0
Future amortization of acquisition related intangible assets
Net	0	0
Franchise Affiliation Fee
Intangible assets and liabilities
Amortization expenses	394,000	394,000	394,000
Intangible assets
Gross balance	3,936,000	3,936,000
Accumulated amortization	(3,375,000)	(2,981,000)
Net	$ 561,000	$ 955,000
Average useful life	10 years	10 years
Future amortization of acquisition related intangible assets
2016	$ 561,000
Net	561,000	$ 955,000
Acquired Below-Market Ground Lease
Intangible assets and liabilities
Amortization expenses	140,000	140,000	$ 140,000
Intangible assets
Gross balance	11,685,000	11,685,000
Accumulated amortization	(1,422,000)	(1,282,000)
Net	$ 10,263,000	$ 10,403,000
Average useful life	84 years	84 years
Future amortization of acquisition related intangible assets
2016	$ 140,000
2017	140,000
2018	140,000
2019	140,000
2020	140,000
Thereafter	9,563,000
Net	$ 10,263,000	$ 10,403,000