Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of carrying amount of goodwill

The following table shows changes in the carrying amounts of goodwill by reporting unit for the three months ended March 31, 2022:

	Critical Illness Recovery Hospital		Rehabilitation Hospital		Outpatient Rehabilitation		Concentra		Total
	(in thousands)
Balance as of December 31, 2021	$	1,131,440	$	442,155	$	654,125	$	1,221,192	$	3,448,912
Acquisition of businesses	—		—		409		2,884		3,293
Measurement period adjustment	13,251		—		—		—		13,251
Balance as of March 31, 2022	$	1,144,691	$	442,155	$	654,534	$	1,224,076	$	3,465,456

Schedule of carrying value and amortization of identifiable intangible assets

The following table provides the gross carrying amounts, accumulated amortization, and net carrying amounts for the Company’s identifiable intangible assets:

	December 31, 2021						March 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in thousands)
Indefinite-lived intangible assets:
Trademarks	$	166,698	$	—	$	166,698	$	166,698	$	—	$	166,698
Certificates of need	21,478		—		21,478		21,625		—		21,625
Accreditations	1,874		—		1,874		1,874		—		1,874
Finite-lived intangible assets:
Trademarks	5,000		(5,000)		—		5,000		(5,000)		—
Customer relationships	304,289		(141,111)		163,178		305,839		(148,283)		157,556
Non-compete agreements	36,746		(15,095)		21,651		37,087		(15,990)		21,097
Total identifiable intangible assets	$	536,085	$	(161,206)	$	374,879	$	538,123	$	(169,273)	$	368,850