GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

9 Months Ended

Sep. 30, 2022

GOODWILL AND OTHER INTANGIBLE ASSETS

Summary of changes in the goodwill balances

	December 31,		September 30,
	2021		2022
Balance beginning of period:
Goodwill	$	1,278,183	$	1,947,939
Cumulative impairment losses		(22,624)		(22,624)
		1,255,559		1,925,315
Goodwill acquired		677,195		181,302
Other		(7,439)		(13,830)
		669,756		167,472
Balance end of period:
Goodwill		1,947,939		2,115,411
Cumulative impairment losses		(22,624)		(22,624)
	$	1,925,315	$	2,092,787

Summary of amortizing acquired intangible assets

The following table summarizes the amortizing acquired intangible assets at December 31, 2021:

	Gross Carry		Accumulated		Net Book
	Amount		Amortization		Value
Customer relationships	$	2,228,461	$	(787,016)	$	1,441,445
Management contracts		191,578		(57,153)		134,425
Other acquired intangibles		10,911		(5,062)		5,849
Total	$	2,430,950	$	(849,231)	$	1,581,719

The following table summarizes the amortizing acquired intangible assets at September 30, 2022:

	Gross Carry		Accumulated		Net Book
	Amount		Amortization		Value
Customer relationships	$	2,460,851	$	(962,690)	$	1,498,161
Management contracts		199,761		(66,860)		132,901
Other acquired intangibles		13,219		(6,465)		6,754
Total	$	2,673,831	$	(1,036,015)	$	1,637,816