Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2019

Property Plant And Equipment [Abstract]

Summary of Property and Equipment

Property and equipment consists of the following (dollars in thousands):

		December 31,
	Useful Lives		2019			2018
Computer hardware and software	2-10 years	$	1,011,704		$	848,955
Leasehold improvements	1-15 years		551,049			472,952
Furniture and equipment	1-10 years		344,351			307,812
Total cost			1,907,104			1,629,719
Accumulated depreciation and amortization			(1,070,898	)		(908,027	)
Property and equipment, net		$	836,206		$	721,692