Property and Equipment

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and Equipment

Property and equipment consists of the following:

	Estimated Useful Life (Years)	December 31,
(in thousands, except years)		2019			2018
Cardiac monitoring devices, device parts and components	3 - 5	$	87,431		$	76,088
Computers and purchased software	3 - 5	18,756			16,800
Equipment, tools and molds	3 - 5	6,492			6,441
Furniture, fixtures and other	5 - 7	4,582			3,805
Leasehold improvements	*	7,714			5,877
Equipment under finance leases	*	7,500			6,568
Total property and equipment, at cost		132,475			115,579
Less accumulated depreciation		(76,095		)	(67,202		)
Total property and equipment, net		$	56,380		$	48,377
* shorter of useful life or term of lease

Depreciation expense associated with property and equipment, inclusive of amortization of assets recorded under finance leases, was $24.7 million, $23.0 million and $18.3 million, for the years ended December 31, 2019, 2018 and 2017, respectively.

During the year ended December 31, 2017, considering the LifeWatch integration and forward-looking integration plans, we determined that certain software was no longer going to be used and was

therefore impaired, resulting in $1.1 million of impairment charges included within the Corporate and Other category as a component of the other charges line in our consolidated statements of operations. There were no fixed asset impairments for the years ended December 31, 2019 and 2018.