Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property and equipment consisted of the following at December 31, 2019 and 2018 (in thousands):

	2019		2018		Estimated Useful Lives in Years
Equipment	$	49,633	$	43,164	3-13
Building	7,400		7,400		40
Leasehold improvements	23,683		22,207		2-20
Furniture and fixtures	5,858		5,675		5-10
Computer hardware and office equipment	15,280		12,137		3-10
Computer software	20,806		14,341		2-10
Land	3,170		3,170		—
Assets not yet placed in service	7,167		2,921		—
Subtotal	132,997		111,015
Less: accumulated depreciation	(68,809)		(50,127)
Property and equipment, net	$	64,188	$	60,888

Schedule Of Depreciation And Amortization On Property And Equipment

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

	For the Years Ended December 31,
	2019		2018		2017
Depreciation expense	$	20,346	$	15,804	$	15,596