OTHER INTANGIBLE ASSETS (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Intangible assets and liabilities
Amortization expenses	$ 69,047,000	$ 68,644,000	$ 69,943,000
Intangible liabilities
Net	(8,657,000)	(8,800,000)
Future accretion of acquisition related intangible liabilities
Net	(8,657,000)	(8,800,000)
Acquired Below-Market Leases
Intangible assets and liabilities
Amortization expenses	2,631,000	3,058,000	3,814,000
Intangible liabilities
Gross balance	(20,333,000)	(20,487,000)
Accumulated amortization	11,676,000	11,687,000
Net	(8,657,000)	(8,800,000)
Average useful life	8 years	8 years
Future accretion of acquisition related intangible liabilities
2015	(2,569,000)
2016	(2,502,000)
2017	(2,399,000)
2018	(963,000)
2019	(224,000)
Net	(8,657,000)	(8,800,000)
Acquired Above-Market Leases
Intangible assets and liabilities
Amortization expenses	602,000	888,000	1,003,000
Intangible assets
Gross balance	2,402,000	4,145,000
Accumulated amortization	(2,039,000)	(3,180,000)
Net	363,000	965,000
Average useful life	7 years	7 years
Future amortization of acquisition related intangible assets
2015	241,000
2016	88,000
2017	26,000
2018	8,000
Net	363,000	965,000
Acquired In-Place Leases
Intangible assets and liabilities
Amortization expenses	2,368,000	3,368,000	5,388,000
Intangible assets
Gross balance	22,680,000	22,593,000
Accumulated amortization	(16,470,000)	(16,411,000)
Net	6,210,000	6,182,000
Average useful life	8 years	7 years
Future amortization of acquisition related intangible assets
2015	1,841,000
2016	1,346,000
2017	915,000
2018	666,000
2019	488,000
Thereafter	954,000
Net	6,210,000	6,182,000
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	(1,771,000)	(1,220,000)
Net	2,502,000	3,053,000
Average useful life	8 years	8 years
Future amortization of acquisition related intangible assets
2015	551,000
2016	551,000
2017	551,000
2018	551,000
2019	298,000
Net	2,502,000	3,053,000
Advance Bookings
Intangible assets and liabilities
Amortization expenses	190,000	61,000	0
Intangible assets
Gross balance		251,000
Accumulated amortization		(61,000)
Net	0	190,000
Average useful life		1 year
Future amortization of acquisition related intangible assets
Net	0	190,000
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	(2,981,000)	(2,587,000)
Net	955,000	1,349,000
Average useful life	10 years	10 years
Future amortization of acquisition related intangible assets
2015	394,000
2016	394,000
2017	167,000
Net	955,000	1,349,000
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	(1,282,000)	(1,142,000)
Net	10,403,000	10,543,000
Average useful life	84 years	84 years
Future amortization of acquisition related intangible assets
2015	140,000
2016	140,000
2017	140,000
2018	140,000
2019	140,000
Thereafter	9,703,000
Net	$ 10,403,000	$ 10,543,000