Property, Plant, and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment, net

Property, plant, and equipment, net were comprised of the following:

	As of December 31,
(in thousands)	2021		2020
Land	$	454	$	454
Buildings	3,031		3,044
Furniture and fixtures	14,737		15,079
Machinery and equipment	27,429		25,759
Equipment leased to third parties under operating leases	35,408		40,137
Leasehold improvements	149,337		139,322
Computers and software	83,641		80,790
Total property, plant, and equipment, gross	314,037		304,585
Less: accumulated depreciation and amortization	(231,603)		(219,712)
Total property, plant, and equipment, net	$	82,434	$	84,873

Schedule of investment in equipment leased to third parties under operating leases

The following table summarizes our investment in equipment leased to third parties under operating leases:

	As of December 31,
(in thousands)	2021		2020
Program equipment	$	35,408	$	40,137
Less: Accumulated depreciation	(22,826)		(25,430)
Net book value	$	12,582	$	14,707