GOODWILL AND DEFINITE-LIVED INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2018

GOODWILL AND DEFINITE-LIVED INTANGIBLE ASSETS

Schedule of changes in goodwill by segment

	Specialty		PBM		Total
Balance at January 1, 2016	$	256,318	$	—	$	256,318
Acquisitions:
TNH		59,275		—		59,275
Miscellaneous		1,023		—		1,023
Balance at December 31, 2016		316,616		—		316,616
Acquisitions:
Affinity		8,772		—		8,772
Comfort		11,669		—		11,669
WRB		20,181		—		20,181
TNH		1,351		—		1,351
Accurate		8,741		—		8,741
Focus		15,237		—		15,237
NPS		—		20,735		20,735
LDI		—		426,005		426,005
Miscellaneous		3,317		—		3,317
Balance at December 31, 2017		385,884		446,740		832,624
Other measurement period adjustments		552		1,382		1,934
Impairments		(45,776)		(179,190)		(224,966)
Balance at December 31, 2018	$	340,660	$	268,932	$	609,592

Schedule of definite-lived intangible assets

	December 31, 2018
	Weighted
	Average	Gross		Accumulated		Net
	Amortization	Carrying		Amortization/		Carrying
	Period	Amount		Impairments		Amount
Customer relationships	9.8	$	100,200	$	(1,238)	$	98,962
Patient relationships	5.9		170,100		(67,964)		102,136
Trade names and trademarks	1.8		30,650		(20,270)		10,380
Non-compete employment agreements	1.6		61,389		(44,100)		17,289
Physician relationships	4.8		21,700		(9,657)		12,043
		$	384,039	$	(143,229)	$	240,810

	December 31, 2017
	Weighted
	Average	Gross				Net
	Amortization	Carrying		Accumulated		Carrying
	Period	Amount		Amortization		Amount
Customer relationships	9.9	$	196,073	$	(1,141)	$	194,932
Patient relationships	6.8		170,100		(49,643)		120,457
Trade names and trademarks	3.7		44,020		(13,624)		30,396
Non-compete employment agreements	3.1		61,389		(30,560)		30,829
Physician relationships	5.7		21,700		(6,303)		15,397
		$	493,282	$	(101,271)	$	392,011

Schedule of estimated future amortization expense of definite-lived intangible assets

2019	$	53,944
2020		41,612
2021		33,781
2022		27,738
2023		25,911
Thereafter		57,824
	$	240,810