XML 56 R43.htm IDEA: XBRL DOCUMENT v3.8.0.1
IDENTIFIED INTANGIBLE ASSETS AND LIABILITIES - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]          
Identified intangible assets, net of accumulated amortization $ 91,305   $ 91,305   $ 30,875
Identified intangible liabilities, net of accumulated amortization 184,061   184,061   $ 146,991
Amortization of acquired below-market leases, net of above-market leases 2,700 $ 2,200 6,800 $ 6,000  
Amortization expense of intangible assets 2,900 800 6,000 1,600  
Amortization of below-market Lease $ 200 $ 200 $ 700 $ 700