Property and Equipment

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and equipment

Property and equipment were comprised of the following:

	December 31,
	2019			2018
Land	$	36,480		$	37,384
Buildings	392,256			467,181
Leasehold improvements	3,545,224			3,164,943
Equipment and information systems, including internally developed software	2,880,645			2,586,564
New center and capital asset projects in progress	588,345			661,695
	7,442,950			6,917,767
Less accumulated depreciation	(3,969,566		)	(3,524,098		)
	$	3,473,384		$	3,393,669

Depreciation expense on property and equipment was $600,905, $574,799, and $544,129 for 2019, 2018 and 2017, respectively.

Interest on debt incurred during the development of new centers and other capital asset projects is capitalized as a component of the asset cost based on the respective in-process capital asset balances. Interest capitalized was $27,322, $25,978 and $19,176 for 2019, 2018 and 2017, respectively.

During 2018, the Company recognized asset impairment charges of $17,338 related to the restructuring of its pharmacy business.