Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Composition of Property and Equipment

The composition of property and equipment as of December 31, 2020 and 2021 is as follows (in thousands):

	December 31, 2020		December 31, 2021		Estimated useful life (years)
Land	$	7,138	$	5,380	—
Buildings and improvements	21,373		16,691		5-40
Furniture and office equipment	77,337		65,054		5-7
Computer hardware	15,684		20,175		3-7
Computer software	183,015		199,635		3-10
Leasehold improvements	65,719		71,633		3-15
Construction in progress	15,517		9,246		—
	385,783		387,814
Accumulated depreciation and amortization	(226,929)		(237,225)
	$	158,854	$	150,589