Fixed Assets, Net (Tables)

12 Months Ended

Dec. 31, 2019

Property Plant And Equipment [Abstract]

Components of Fixed Assets, Net

Fixed assets, net consisted of the following (in thousands):

	December 31, 2019			December 31, 2018
Computer and communications equipment	$	95,115		$	140,451
Software, including software development costs		235,230			194,470
Leasehold improvements and other fixed assets		116,231			127,349
		446,576			462,270
Less: accumulated depreciation and amortization		(241,735	)		(305,101	)
Fixed assets, net	$	204,841		$	157,169