Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2020

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, 2020:

	Critical Illness Recovery Hospital		Rehabilitation Hospital		Outpatient Rehabilitation			Concentra			Total
	(in thousands)
Balance as of December 31, 2019	$	1,078,804	$	430,900	$	649,763		$	1,232,488		$	3,391,955
Acquired	—		—		610			4,567			5,177
Sold	—		—		(6,034		)	—			(6,034		)
Measurement period adjustment	—		—		—			(20		)	(20		)
Balance as of March 31, 2020	$	1,078,804	$	430,900	$	644,339		$	1,237,035		$	3,391,078

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, 2019							March 31, 2020
	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	17,157		—			17,157		18,348		—			18,348
Accreditations	1,874		—			1,874		1,874		—			1,874
Finite-lived intangible assets:
Trademarks	5,000		(5,000		)	—		5,000		(5,000		)	—
Customer relationships	287,373		(87,346		)	200,027		288,963		(93,814		)	195,149
Non-compete agreements	32,114		(8,802		)	23,312		32,845		(9,540		)	23,305
Total identifiable intangible assets	$	510,216	$	(101,148	)	$	409,068	$	513,728	$	(108,354	)	$	405,374