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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2019
Accounting Policies [Abstract]  
Property, Plant and Equipment
Real estate-related depreciation and amortization are computed on a straight-line basis over the estimated useful lives as described in the following table:
Land
Not depreciated
Building
20 to 40 years
Building and land improvements
5 to 20 years
Tenant improvements
Lesser of useful life or lease term
Lease commissions
Over lease term
Intangible lease assets
Over lease term
Above-market lease assets
Over lease term
Below-market lease liabilities
Over lease term, including below-market fixed-rate renewal options