Property, net (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Schedule of Real Estate Properties

Property at December 31, 2017 and 2016 consists of the following:

	2017			2016
Land	$	1,567,152		$	1,607,590
Buildings and improvements	6,385,035			6,511,741
Tenant improvements	620,352			622,878
Equipment and furnishings	187,998			177,036
Construction in progress	366,996			289,966
	9,127,533			9,209,211
Less accumulated depreciation	(2,018,303		)	(1,851,901		)
	$	7,109,230		$	7,357,310

Assets Measured on a Nonrecurring Basis

The following table summarizes certain of the Company's assets that were measured on a nonrecurring basis as a result of impairment charges recorded for the years ended December 31, 2017, 2016 and 2015 as described above:

Years ended December, 31	Total Fair Value Measurement		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
			(Level 1)		(Level 2)		(Level 3)
2017	$	38,000	$	—	$	38,000	$	—
2016	$	86,100	$	—	$	—	$	86,100
2015	$	49,700	$	—	$	6,200	$	43,500

Quantitative Information, Unobservable Inputs

The following table sets forth quantitative information about the unobservable inputs of the Company’s Level 3 real estate recorded as of December 31, 2016 and 2015:

Unobservable Inputs	2016	2015
Terminal capitalization rate	7.0% - 10.0%	9.0%
Discount rate	8.0% - 15.0%	9.5%
Market rents per square foot	$2.00 - $20.00	$5.00 - $150.00