Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and equipment were comprised of the following:

	December 31,
	2020		2019
Land	$	37,924	$	36,480
Buildings	400,616		392,256
Leasehold improvements	3,865,729		3,545,224
Equipment and information systems, including internally developed software	3,081,298		2,880,645
New center and capital asset projects in progress	616,686		588,345
	8,002,253		7,442,950
Less accumulated depreciation	(4,480,429)		(3,969,566)
	$	3,521,824	$	3,473,384