GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of the Carrying Amount of Goodwill

Changes in the carrying amount of goodwill consist of the following activity for the years endedDecember 31, 2019 and 2018 (in thousands):

Balance at December 31, 2017	$	627,392
Acquisitions	5,077
Balance at December 31, 2018	$	632,469
Acquisitions	793,073
Balance at December 31, 2019	$	1,425,542

Schedule of Carrying Amount and Accumulated Amortization of Intangible Assets

The carrying amount and accumulated amortization of intangible assets consists of the following as of December 31, 2019 and 2018 (in thousands):

	December 31, 2019			December 31, 2018
Gross intangible assets:
Referral sources	$	438,121		$	257,792
Trademarks/names	44,536			32,000
Other amortizable intangible assets	402			4,151
Total gross intangible assets	483,059			293,943
Accumulated amortization:
Referral sources	(84,295		)	(63,353		)
Trademarks/names	(12,748		)	(8,000		)
Other amortizable intangible assets	(106		)	(2,877		)
Total accumulated amortization	(97,149		)	(74,230		)
Total intangible assets, net	$	385,910		$	219,713

Schedule of Future Amortization Expense for Intangible Assets

Expected future amortization expense for intangible assets recorded at December 31, 2019, is as follows (in thousands):

2020	$	34,859
2021	32,015
2022	28,338
2023	28,338
2024	28,338
2025 and beyond	234,022
Total	$	385,910