FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2018

FAIR VALUE MEASUREMENTS

Schedule of assets and liabilities measured and disclosed at fair value on a recurring basis

	Asset/						Valuation
	(Liability)		Level 2		Level 3		Technique
December 31, 2018:
Contingent consideration	$	(6,895)	$	—	$	(6,895)	C
Interest rate swaps (Note 11)		(4,292)		(4,292)		—	A
December 31, 2017:
Contingent consideration	$	(12,100)	$	—	$	(12,100)	C

Schedule of change in contingent consideration (Level 3 measurements)

	Contingent
	Consideration
Balance at January 1, 2016	$	(52,665)
Change in fair value		8,922
Payments		43,743
Balance at December 31, 2016		—
Affinity acquisition		(35)
Comfort acquisition		(3,800)
WRB acquisition		(530)
Accurate acquisition		(1,980)
Focus acquisition		(2,080)
Changes in fair values		(3,675)
Balance at December 31, 2017		(12,100)
Change in fair value		(3,364)
Payments		8,569
Balance at December 31, 2018	$	(6,895)