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Property and Equipment
12 Months Ended
Dec. 31, 2018
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and Equipment

Property and equipment consist of the following at fiscal year end:
 
 
 
Useful
Life
 
2018
 
2017
 
 
(Years)
 
(In thousands)
Land
 

 
$
131,377

 
$
129,421

Buildings and improvements
 
2 to 50

 
2,144,414

 
2,009,279

Leasehold improvements
 
1 to 29

 
303,348

 
288,614

Equipment
 
3 to 10

 
206,191

 
193,281

Furniture, fixtures and computer software
 
1 to 7

 
60,159

 
57,204

Facility construction in progress
 

 
65,282

 
74,312

Total
 
 
 
$
2,910,771

 
$
2,752,111

Less accumulated depreciation and amortization
 
 
 
(752,161
)
 
(673,988
)
Property and equipment, net
 
 
 
$
2,158,610

 
$
2,078,123


The Company amortizes its leasehold improvements over the shorter of their estimated useful lives or the terms of the leases including renewal periods that are reasonably assured. The Company’s construction in progress primarily consists of new construction and renovations to facilities that are owned by the Company. Interest capitalized in property and equipment for the years ended December 31, 2018 and 2017 was $3.7 million and $1.1 million, respectively.

Depreciation expense was $103.5 million, $98.9 million and $92.8 million for the years ended December 31, 2018, 2017 and 2016, respectively.
At both December 31, 2018 and 2017, the Company had $17.1 million of assets recorded under capital leases related to land, buildings and improvements. Capital leases are recorded net of accumulated amortization of $13.2 million and $12.2 million, at December 31, 2018 and 2017, respectively. Depreciation expense related to assets recorded under capital leases for each of the years ended December 31, 2018, 2017 and 2016 was $1.0 million and is included in Depreciation and Amortization in the accompanying consolidated statements of operations.