SIGNIFICANT ACCOUNTING POLICIES (Details 4) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Acquired Finite-Lived Intangible Assets [Line Items]
Above and below market leases Increase (decrease) rental Income	$ 188,000	$ (350,000)	$ (338,000)
Amortization expense for in-place lease intangibles	4,281,000	3,628,000	2,316,000
Projected amortization of in-place lease intangibles for the next five years [Abstract]
2014	4,068,000
2015	2,814,000
2016	1,663,000
2017	991,000
2018	610,000
Northfield Distribution Center and Interchange Park II [Domain]
Acquired operating properties [Abstract]
Total cost of properties purchased	72,397,000
Total amount allocated to real estate properties	65,387,000
Total purchase price to land	13,218,000
Northfield Distribution Center and Interchange Park II [Domain] | Above Market Leases [Member]
Acquired operating properties [Abstract]
Intangibles acquired associated with purchase of Real Estate	158,000
Northfield Distribution Center and Interchange Park II [Domain] | Leases, Acquired-in-Place [Member]
Acquired operating properties [Abstract]
Intangibles acquired associated with purchase of Real Estate	8,399,000
Northfield Distribution Center and Interchange Park II [Domain] | Below market lease [Member]
Acquired operating properties [Abstract]
Intangibles acquired associated with purchase of Real Estate	1,547,000
Madison Distribution Center, Wiegman Distribution Center II and Valwood Distribution Center [Member]
Acquired operating properties [Abstract]
Total cost of properties purchased		51,750,000
Total amount allocated to real estate properties		48,934,000
Total purchase price to land		7,435,000
Madison Distribution Center, Wiegman Distribution Center II and Valwood Distribution Center [Member] | Above Market Leases [Member]
Acquired operating properties [Abstract]
Intangibles acquired associated with purchase of Real Estate		244,000
Madison Distribution Center, Wiegman Distribution Center II and Valwood Distribution Center [Member] | Leases, Acquired-in-Place [Member]
Acquired operating properties [Abstract]
Intangibles acquired associated with purchase of Real Estate		3,305,000
Madison Distribution Center, Wiegman Distribution Center II and Valwood Distribution Center [Member] | Below market lease [Member]
Acquired operating properties [Abstract]
Intangibles acquired associated with purchase of Real Estate		733,000
Lakeview, Ridge Creek, Broadway VII, Tampa Industrial, and Rittiman [Member]
Acquired operating properties [Abstract]
Total cost of properties purchased			88,592,000
Total amount allocated to real estate properties			80,624,000
Total purchase price to land			13,872,000
Lakeview, Ridge Creek, Broadway VII, Tampa Industrial, and Rittiman [Member] | Above Market Leases [Member]
Acquired operating properties [Abstract]
Intangibles acquired associated with purchase of Real Estate			1,693,000
Lakeview, Ridge Creek, Broadway VII, Tampa Industrial, and Rittiman [Member] | Leases, Acquired-in-Place [Member]
Acquired operating properties [Abstract]
Intangibles acquired associated with purchase of Real Estate			6,949,000
Lakeview, Ridge Creek, Broadway VII, Tampa Industrial, and Rittiman [Member] | Below market lease [Member]
Acquired operating properties [Abstract]
Intangibles acquired associated with purchase of Real Estate			$ 674,000