Real Estate (Tables)
3 Months Ended
Mar. 31, 2018
Real Estate [Abstract]  
Schedule of real estate properties
The Company’s components of Real estate, net consisted of the following:
 
March 31, 2018
 
December 31, 2017
Land
$
1,962,364

 
$
1,984,309

Buildings and improvements:
 
 
 
Buildings and tenant improvements(1)
8,121,758

 
8,145,085

Lease intangibles(2)
774,344

 
792,097

 
10,858,466

 
10,921,491

Accumulated depreciation and amortization(3)
(2,405,579
)
 
(2,361,070
)
Total
$
8,452,887

 
$
8,560,421

(1) 
As of March 31, 2018 and December 31, 2017, Buildings and tenant improvements included accrued amounts of $20.3 million and $22.8 million, respectively, related to construction in progress, net of any anticipated insurance proceeds. 
(2) 
As of March 31, 2018 and December 31, 2017, Lease intangibles consisted of $700.0 million and $715.1 million, respectively, of in-place leases and $74.4 million and $77.0 million, respectively, of above-market leases. These intangible assets are amortized over the term of each related lease.
(3) 
As of March 31, 2018 and December 31, 2017, Accumulated depreciation and amortization included $623.1 million and $629.1 million, respectively, of accumulated amortization related to Lease intangibles.
Schedule of expected net amortization expense associated with intangible assets and liabilities
The Company’s estimated below-market lease accretion income, net of above-market lease amortization expense, and in-place lease amortization expense, for the next five years are as follows:
Year ending December 31,
 
Below-market lease accretion (income), net of above-market lease amortization
 
In-place lease amortization expense
2018 (remaining nine months)
 
$
(17,909
)
 
$
24,663

2019
 
(20,384
)
 
26,802

2020
 
(16,624
)
 
19,840

2021
 
(13,782
)
 
14,295

2022
 
(11,539
)
 
10,811