Property Type

As of March 31, 2021

As of December 31, 2020

Land

$

1,050,305

$

1,106,392

Acquired ground lease

6,847

10,308

Buildings and improvements

21,024,542

21,335,396

Tenant improvements

680,582

690,892

22,762,276

23,142,988

Accumulated depreciation and amortization

(5,649,019)

(5,555,221)

Investments in operating properties, net

17,113,257

17,587,767

Construction in progress and space held for development

2,904,645

2,768,325

Land held for future development

192,896

226,862

Investments in properties, net

$

20,210,798

$

20,582,954