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PROPERTY, BUILDINGS AND EQUIPMENT
 12 Months Ended
Dec. 31, 2018
Property, Plant and Equipment [Abstract]  
PROPERTY, BUILDINGS AND EQUIPMENT
8. PROPERTY, BUILDINGS AND EQUIPMENT
The following table sets forth the components of property, buildings and equipment:
 
As of December 31,
 
2018
 
2017
 
(In thousands)
Buildings and leasehold improvements
$
111,510

 
$
117,894

Furniture, fixtures and equipment
186,523

 
183,801

Software costs
115,631

 
103,842

 
413,664

 
405,537

Accumulated depreciation and amortization
(291,811
)
 
(278,455
)
 
121,853

 
127,082

Land
23,996

 
25,814

Construction in progress
15,029

 
3,549

 
$
160,878

 
$
156,445


Depreciation expense was $17.3 million, $16.3 million and $17.1 million, and capitalized software amortization was $9.8 million, $9.9 million and $10.6 million, in 2018, 2017 and 2016, respectively. The unamortized software cost was $24.2 million and $22.4 million as of December 31, 2018 and 2017, respectively. Furniture, fixtures and equipment include capitalized leases of $9.3 million and $10.6 million and related accumulated amortization of $8.4 million and $9.0 million as of December 31, 2018 and 2017, respectively.