XML 120 R65.htm IDEA: XBRL DOCUMENT v3.8.0.1
ACQUISITIONS AND DISPOSITIONS - Fair Value of Net Assets Acquired (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Business Acquisition [Line Items]      
Net assets acquired $ 19,631 $ 0 $ 11,143
Percentage represent individualy of assets, less than 0.05    
Percentage represent aggregate of assets, less than     10.00%
Abandoned project costs $ 16 328 $ 486
Land      
Business Acquisition [Line Items]      
Property, plant and equipment 8,290 0 10,931
Land improvements      
Business Acquisition [Line Items]      
Property, plant and equipment 0 0 110
Buildings and improvements      
Business Acquisition [Line Items]      
Property, plant and equipment 10,109 0 0
Tenant improvements      
Business Acquisition [Line Items]      
Property, plant and equipment 371 0 0
Acquired in-place Leases      
Business Acquisition [Line Items]      
Intangible assets $ 1,184 $ 0 102
Weighted average amortization period 9 years 10 years  
Acquired above-market leases      
Business Acquisition [Line Items]      
Intangible assets $ 37 $ 0 0
Weighted average amortization period 7 years    
Acquired below-market leases      
Business Acquisition [Line Items]      
Intangible assets $ 360 $ 0 $ 0
Weighted average amortization period 2 years    
2017 Acquisitions | Acquired in-place Leases      
Business Acquisition [Line Items]      
Weighted average amortization period 5 years    
2015 Acquisitions | Acquired in-place Leases      
Business Acquisition [Line Items]      
Weighted average amortization period     3 years