PROPERTY PLANT AND EQUIPMENT

12 Months Ended

Dec. 31, 2021

PROPERTY PLANT AND EQUIPMENT [ABSTRACT]

PROPERTY, PLANT AND EQUIPMENT

(5)PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment consisted of the following (in thousands):

	December 31,
	2021		2020
Land and buildings	$	32,942	$	32,944
Computer equipment and software		503,056		474,415
Telephone equipment		50,256		51,717
Furniture and fixtures		84,944		85,149
Leasehold improvements		189,161		193,823
Motor vehicles		257		258
Property, plant and equipment, gross		860,616		838,306
Less: Accumulated depreciation and amortization		(692,212)		(659,600)
Property, plant and equipment, net	$	168,404	$	178,706

Depreciation and amortization expense for property, plant and equipment was $63.5 million, $62.7 million and $57.5 million for the years ended December 31, 2021, 2020 and 2019, respectively.

Included in the computer equipment and software is internally developed software of $19.4 million net and $16.2 million net as of December 31, 2021 and 2020, respectively. During 2021, impairments of internally developed software of $3.2 million were expensed and included in Impairment losses in the Consolidated Statements of Comprehensive Income (Loss).