Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2018
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
The following table sets forth the Company’s financial liabilities that were accounted for at fair value on a recurring basis (in thousands):
 
 
 
Fair Value Hierarchy Level
Description
Fair Value
 
Level 1
 
Level 2
 
Level 3
December 31, 2018
 
 
 
 
 
 
 
Derivatives:
 
 
 
 
 
 
 
Interest rate swaps financial liabilities
$
7,159

 
$

 
$
7,159

 
$

December 31, 2017
 
 
 
 
 
 
 
Derivatives:
 
 
 
 
 
 
 
Interest rate swaps financial liabilities
$

 
$

 
$

 
$

Schedule of Company's Assets Accounted for at Fair Value on a Nonrecurring Basis
The following table sets forth the Company’s assets that were accounted for at fair value on a nonrecurring basis as of December 31, 2018 and 2017 (in thousands):
 
 
 
Fair Value Hierarchy Level
Description
Fair Value
 
Level 1
 
Level 2
 
Level 3
December 31, 2018
 
 
 
 
 
 
 
Long-lived assets held and used
$
14,866

 
$

 
$

 
$
14,866

Long-lived assets held for sale
7,695

 

 

 
7,695

 
 
 
 
 
 
 
 
December 31, 2017
 
 
 
 
 
 
 
Long-lived assets held and used
$
28,312

 
$

 
$

 
$
28,312

Long-lived assets held for sale
42,142

 

 

 
42,142

Schedule of Weighted Average Sales Price Per Square Foot of Income Producing and Vacant Properties Used To Estimate Fair Value
For the years ended December 31, 2018 and 2017, we determined that eight and 18 long-lived assets held and used, respectively, were impaired. For three of the held and used properties impaired during the year ended December 31, 2018, the buildings were fully impaired due to our non-payment on the related ground leases.
For 17 of the held and used properties impaired during the year ended December 31, 2017, the Company estimated property fair value using price per square foot of comparable properties. The following table provides information about the price per square foot of comparable properties inputs used:
 
 
December 31, 2018
 
December 31, 2017
Description
 
Range
 
Weighted Average
 
Square Footage
 
Range
 
Weighted Average
 
Square Footage
Long-lived assets held and used by asset type
 
 
 
 
 
 
Retail
 
 
 

 
$13.66 - $305.05
 
$
55.68

 
364,940

Industrial
 
 
 

 
$3.30 - $8.56
 
$
5.35

 
370,824

Office
 
 
 

 
$24.82 - $244.86
 
$
40.14

 
161,346

For the remaining five held and used property impaired during the year ended December 31, 2018 and one held and used properties impaired during the year ended December 31, 2017, the Company estimated property fair value using price per square foot of the listing price or a broker opinion of value. The following table provides information about the price per square foot of listing price and broker opinion of value inputs used:
 
 
December 31, 2018
 
December 31, 2017
Description
 
Range
 
Weighted Average
 
Square Footage
 
Range
 
Weighted Average
 
Square Footage
Long-lived assets held and used by asset type
 
 
 
 
 
 
Retail
 
$185.42 - $638.72
 
$
507.11

 
27,302

 
$88.89
 
$
88.89

 
22,500

Office
 
$225.04
 
$
225.04

 
5,999

 
 

 

For the years ended December 31, 2018 and 2017, we determined that one and eight long-lived assets held for sale, respectively, were impaired. The Company estimated property fair value of held for sale properties using price per square foot from the signed purchase and sale agreements. The following table provides information about the price per square foot from signed purchase and sale agreements used:
 
 
December 31, 2018
 
December 31, 2017
Description
 
Range
 
Weighted Average
 
Square Footage
 
Range
 
Weighted Average
 
Square Footage
Long-lived assets held for sale by asset type
 
 
 
 
 
 
Retail
 
$126.73
 
$
126.73

 
63,128

 
$55.30 - $346.23
 
$
230.52

 
150,376

Industrial
 
 

 

 
$24.02 - $54.21
 
$
37.09

 
223,747


Summary of Fair Value Information for Financial Instruments
The following table discloses fair value information for these financial instruments (in thousands): 
 
December 31, 2018
 
December 31, 2017
 
Carrying
Value
 
Estimated
Fair Value
 
Carrying
Value
 
Estimated
Fair Value
Loans receivable, net
$
47,044

 
$
48,740

 
$
79,967

 
$
82,886

Investment in Master Trust 2014
33,535

 
33,811

 

 

2015 Credit Facility, net
146,300

 
146,731

 
112,000

 
111,997

2015 Term Loan, net (2)
419,560


424,670

 

 

Senior Unsecured Notes (1)
295,767

 
291,696

 
295,321

 
299,049

Convertible Notes, net (1)
729,814

 
740,330

 
715,881

 
761,440

Mortgages and notes payable, net (1)
463,196

 
487,548

 
2,516,478

 
2,657,599


(1) The carrying value of the debt instruments are net of unamortized deferred financing costs and certain debt discounts/premiums.
(2) The carrying value of the debt instrument as of December 31, 2018 is net of unamortized deferred financing costs.