OTHER INTANGIBLE ASSETS (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Intangible assets and liabilities
Amortization expenses	$ 17,566,000	$ 17,286,000	$ 36,694,000	$ 33,915,000
Intangible liabilities
Net	(7,347,000)		(7,347,000)		$ (8,657,000)
Future accretion of acquisition related intangible liabilities
Net	(7,347,000)		(7,347,000)		(8,657,000)
Acquired Below-Market Leases
Intangible assets and liabilities
Amortization expenses	655,000	697,000	1,310,000	1,345,000
Intangible liabilities
Gross balance	(19,750,000)		(19,750,000)		(20,333,000)
Accumulated amortization	12,403,000		12,403,000		11,676,000
Net	(7,347,000)		$ (7,347,000)		$ (8,657,000)
Average useful life			8 years		8 years
Future accretion of acquisition related intangible liabilities
2015 (Six months ending December 31, 2015)	(1,259,000)		$ (1,259,000)
2016	(2,502,000)		(2,502,000)
2017	(2,399,000)		(2,399,000)
2018	(963,000)		(963,000)
2019	(224,000)		(224,000)
Net	(7,347,000)		(7,347,000)		$ (8,657,000)
Acquired Above-Market Leases
Intangible assets and liabilities
Amortization expenses	79,000	98,000	158,000	435,000
Intangible assets
Gross balance	1,072,000		1,072,000		2,402,000
Accumulated amortization	(867,000)		(867,000)		(2,039,000)
Net	205,000		$ 205,000		$ 363,000
Average useful life			6 years		7 years
Future amortization of acquisition related intangible assets
2015 (Six months ending December 31, 2015)	83,000		$ 83,000
2016	88,000		88,000
2017	26,000		26,000
2018	8,000		8,000
Net	205,000		205,000		$ 363,000
Acquired In-Place Leases
Intangible assets and liabilities
Amortization expenses	519,000	587,000	1,048,000	1,199,000
Intangible assets
Gross balance	21,431,000		21,431,000		22,680,000
Accumulated amortization	(16,269,000)		(16,269,000)		(16,470,000)
Net	5,162,000		$ 5,162,000		$ 6,210,000
Average useful life			8 years		8 years
Future amortization of acquisition related intangible assets
2015 (Six months ending December 31, 2015)	793,000		$ 793,000
2016	1,346,000		1,346,000
2017	915,000		915,000
2018	666,000		666,000
2019	488,000		488,000
Thereafter	954,000		954,000
Net	5,162,000		5,162,000		$ 6,210,000
Tax Abatement
Intangible assets and liabilities
Amortization expenses	138,000	138,000	276,000	276,000
Intangible assets
Gross balance	4,273,000		4,273,000		4,273,000
Accumulated amortization	(2,047,000)		(2,047,000)		(1,771,000)
Net	2,226,000		$ 2,226,000		$ 2,502,000
Average useful life			8 years		8 years
Future amortization of acquisition related intangible assets
2015 (Six months ending December 31, 2015)	275,000		$ 275,000
2016	551,000		551,000
2017	551,000		551,000
2018	551,000		551,000
2019	298,000		298,000
Net	2,226,000		2,226,000		$ 2,502,000
Advance Bookings
Intangible assets and liabilities
Amortization expenses	0	67,000	0	134,000
Franchise Affiliation Fee
Intangible assets and liabilities
Amortization expenses	99,000	99,000	198,000	198,000
Intangible assets
Gross balance	3,936,000		3,936,000		3,936,000
Accumulated amortization	(3,179,000)		(3,179,000)		(2,981,000)
Net	757,000		$ 757,000		$ 955,000
Average useful life			10 years		10 years
Future amortization of acquisition related intangible assets
2015 (Six months ending December 31, 2015)	196,000		$ 196,000
2016	394,000		394,000
2017	167,000		167,000
Net	757,000		757,000		$ 955,000
Acquired Below-Market Ground Lease
Intangible assets and liabilities
Amortization expenses	35,000	$ 35,000	70,000	$ 70,000
Intangible assets
Gross balance	11,685,000		11,685,000		11,685,000
Accumulated amortization	(1,352,000)		(1,352,000)		(1,282,000)
Net	10,333,000		$ 10,333,000		$ 10,403,000
Average useful life			84 years		84 years
Future amortization of acquisition related intangible assets
2015 (Six months ending December 31, 2015)	70,000		$ 70,000
2016	140,000		140,000
2017	140,000		140,000
2018	140,000		140,000
2019	140,000		140,000
Thereafter	9,703,000		9,703,000
Net	$ 10,333,000		$ 10,333,000		$ 10,403,000