Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property and equipment consisted of the following at December 31, 2020 and 2019 (in thousands):

	2020		2019		Estimated Useful Lives in Years
Equipment	$	73,234	$	49,633	1-13
Building	7,400		7,400		40
Leasehold improvements	27,688		23,683		1-17
Furniture and fixtures	7,425		5,858		1-9
Computer hardware and office equipment	22,843		15,280		1-10
Computer software	30,718		20,806		1-10
Land	3,170		3,170		—
Construction in progress	6,290		7,167		—
Subtotal	178,768		132,997
Less: accumulated depreciation	(92,895)		(68,809)
Property and equipment, net	$	85,873	$	64,188

Schedule Of Depreciation And Amortization On Property And Equipment

Depreciation expense on property and equipment in each year was as follows (in thousands): 

	For the Years Ended December 31,
	2020		2019		2018
Depreciation expense	$	25,904	$	20,346	$	15,804